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Finding the Third Proportional to 16,428,260 and 25,538,331

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Solution

The third proportional to 16,428,260 and 25,538,331 is: 39,700,269.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,428,260 : 25,538,331 = 25,538,331 : x
  2. Step 2: Convert to fraction form
    16,428,260/25,538,331 = 25,538,331/x
  3. Step 3: Cross multiply
    16,428,260x = 25,538,331 × 25,538,331
  4. Step 4: Simplify right side
    16,428,260x = 652,206,350,265,561
  5. Step 5: Solve for x
    x = 652,206,350,265,561/16,428,260
  6. Step 6: Final answer
    x = 39,700,269.55

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.