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Finding the Third Proportional to 18,440,519 and 40,218,339

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Solution

The third proportional to 18,440,519 and 40,218,339 is: 87,715,253.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440,519 : 40,218,339 = 40,218,339 : x
  2. Step 2: Convert to fraction form
    18,440,519/40,218,339 = 40,218,339/x
  3. Step 3: Cross multiply
    18,440,519x = 40,218,339 × 40,218,339
  4. Step 4: Simplify right side
    18,440,519x = 1,617,514,791,918,921
  5. Step 5: Solve for x
    x = 1,617,514,791,918,921/18,440,519
  6. Step 6: Final answer
    x = 87,715,253.13

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.