Home / 15,720,918.75-34,374,469.50

Finding the Third Proportional to 15,720,918.75 and 34,374,469.50

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Solution

The third proportional to 15,720,918.75 and 34,374,469.50 is: 75,161,265.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,720,918.75 : 34,374,469.50 = 34,374,469.50 : x
  2. Step 2: Convert to fraction form
    15,720,918.75/34,374,469.50 = 34,374,469.50/x
  3. Step 3: Cross multiply
    15,720,918.75x = 34,374,469.50 × 34,374,469.50
  4. Step 4: Simplify right side
    15,720,918.75x = 1,181,604,153,406,430.25
  5. Step 5: Solve for x
    x = 1,181,604,153,406,430.25/15,720,918.75
  6. Step 6: Final answer
    x = 75,161,265.84

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.