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Finding the Third Proportional to 18,897,216 and 29,316,897

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Solution

The third proportional to 18,897,216 and 29,316,897 is: 45,481,855.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897,216 : 29,316,897 = 29,316,897 : x
  2. Step 2: Convert to fraction form
    18,897,216/29,316,897 = 29,316,897/x
  3. Step 3: Cross multiply
    18,897,216x = 29,316,897 × 29,316,897
  4. Step 4: Simplify right side
    18,897,216x = 859,480,449,708,609
  5. Step 5: Solve for x
    x = 859,480,449,708,609/18,897,216
  6. Step 6: Final answer
    x = 45,481,855.62

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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.