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Finding the Third Proportional to 18,988,053 and 29,420,301

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Solution

The third proportional to 18,988,053 and 29,420,301 is: 45,584,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988,053 : 29,420,301 = 29,420,301 : x
  2. Step 2: Convert to fraction form
    18,988,053/29,420,301 = 29,420,301/x
  3. Step 3: Cross multiply
    18,988,053x = 29,420,301 × 29,420,301
  4. Step 4: Simplify right side
    18,988,053x = 865,554,110,930,601
  5. Step 5: Solve for x
    x = 865,554,110,930,601/18,988,053
  6. Step 6: Final answer
    x = 45,584,142.35

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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.