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Finding the Third Proportional to 10,539,330 and 15,721,560

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Solution

The third proportional to 10,539,330 and 15,721,560 is: 23,451,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539,330 : 15,721,560 = 15,721,560 : x
  2. Step 2: Convert to fraction form
    10,539,330/15,721,560 = 15,721,560/x
  3. Step 3: Cross multiply
    10,539,330x = 15,721,560 × 15,721,560
  4. Step 4: Simplify right side
    10,539,330x = 247,167,448,833,600
  5. Step 5: Solve for x
    x = 247,167,448,833,600/10,539,330
  6. Step 6: Final answer
    x = 23,451,912.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.