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Finding the Third Proportional to 18,131,337 and 39,134,019.38

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Solution

The third proportional to 18,131,337 and 39,134,019.38 is: 84,465,446.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131,337 : 39,134,019.38 = 39,134,019.38 : x
  2. Step 2: Convert to fraction form
    18,131,337/39,134,019.38 = 39,134,019.38/x
  3. Step 3: Cross multiply
    18,131,337x = 39,134,019.38 × 39,134,019.38
  4. Step 4: Simplify right side
    18,131,337x = 1,531,471,472,442,875.50
  5. Step 5: Solve for x
    x = 1,531,471,472,442,875.50/18,131,337
  6. Step 6: Final answer
    x = 84,465,446.34

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.