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Finding the Third Proportional to 10,668,715 and 15,245,357

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Solution

The third proportional to 10,668,715 and 15,245,357 is: 21,785,276.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668,715 : 15,245,357 = 15,245,357 : x
  2. Step 2: Convert to fraction form
    10,668,715/15,245,357 = 15,245,357/x
  3. Step 3: Cross multiply
    10,668,715x = 15,245,357 × 15,245,357
  4. Step 4: Simplify right side
    10,668,715x = 232,420,910,057,449
  5. Step 5: Solve for x
    x = 232,420,910,057,449/10,668,715
  6. Step 6: Final answer
    x = 21,785,276.86

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.