Home / 306,987,489-472,338,013.50

Finding the Third Proportional to 306,987,489 and 472,338,013.50

Calculator

Solution

The third proportional to 306,987,489 and 472,338,013.50 is: 726,750,134.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,987,489 : 472,338,013.50 = 472,338,013.50 : x
  2. Step 2: Convert to fraction form
    306,987,489/472,338,013.50 = 472,338,013.50/x
  3. Step 3: Cross multiply
    306,987,489x = 472,338,013.50 × 472,338,013.50
  4. Step 4: Simplify right side
    306,987,489x = 223,103,198,997,126,176
  5. Step 5: Solve for x
    x = 223,103,198,997,126,176/306,987,489
  6. Step 6: Final answer
    x = 726,750,134.75

Related Problems

Find third proportional to 153,493,744.50 and 236,169,006.75
Half scale
Find third proportional to 613,974,978 and 944,676,027
Double scale
Find third proportional to 306,987,491 and 472,338,017
Similar ratio
Find third proportional to 460,481,233.50 and 708,507,020.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.