Home / 369,570-557,683

Finding the Third Proportional to 369,570 and 557,683

Calculator

Solution

The third proportional to 369,570 and 557,683 is: 841,546.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,570 : 557,683 = 557,683 : x
  2. Step 2: Convert to fraction form
    369,570/557,683 = 557,683/x
  3. Step 3: Cross multiply
    369,570x = 557,683 × 557,683
  4. Step 4: Simplify right side
    369,570x = 311,010,328,489
  5. Step 5: Solve for x
    x = 311,010,328,489/369,570
  6. Step 6: Final answer
    x = 841,546.47

Related Problems

Find third proportional to 184,785 and 278,841.50
Half scale
Find third proportional to 739,140 and 1,115,366
Double scale
Find third proportional to 369,572 and 557,686
Similar ratio
Find third proportional to 554,355 and 836,524.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.