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Finding the Third Proportional to 81,817,556 and 176,613,868

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Solution

The third proportional to 81,817,556 and 176,613,868 is: 381,244,073.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,817,556 : 176,613,868 = 176,613,868 : x
  2. Step 2: Convert to fraction form
    81,817,556/176,613,868 = 176,613,868/x
  3. Step 3: Cross multiply
    81,817,556x = 176,613,868 × 176,613,868
  4. Step 4: Simplify right side
    81,817,556x = 31,192,458,369,921,424
  5. Step 5: Solve for x
    x = 31,192,458,369,921,424/81,817,556
  6. Step 6: Final answer
    x = 381,244,073.95

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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.