Home / 204,265.50-315,013.50

Finding the Third Proportional to 204,265.50 and 315,013.50

Calculator

Solution

The third proportional to 204,265.50 and 315,013.50 is: 485,806.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,265.50 : 315,013.50 = 315,013.50 : x
  2. Step 2: Convert to fraction form
    204,265.50/315,013.50 = 315,013.50/x
  3. Step 3: Cross multiply
    204,265.50x = 315,013.50 × 315,013.50
  4. Step 4: Simplify right side
    204,265.50x = 99,233,505,182.25
  5. Step 5: Solve for x
    x = 99,233,505,182.25/204,265.50
  6. Step 6: Final answer
    x = 485,806.49

Related Problems

Find third proportional to 102,132.75 and 157,506.75
Half scale
Find third proportional to 408,531 and 630,027
Double scale
Find third proportional to 204,268 and 315,017
Similar ratio
Find third proportional to 306,398.25 and 472,520.25
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.