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Finding the Third Proportional to 12,377,304 and 18,921,708

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Solution

The third proportional to 12,377,304 and 18,921,708 is: 28,926,415.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377,304 : 18,921,708 = 18,921,708 : x
  2. Step 2: Convert to fraction form
    12,377,304/18,921,708 = 18,921,708/x
  3. Step 3: Cross multiply
    12,377,304x = 18,921,708 × 18,921,708
  4. Step 4: Simplify right side
    12,377,304x = 358,031,033,637,264
  5. Step 5: Solve for x
    x = 358,031,033,637,264/12,377,304
  6. Step 6: Final answer
    x = 28,926,415.13

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.