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Finding the Third Proportional to 165,678,687 and 247,081,283

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Solution

The third proportional to 165,678,687 and 247,081,283 is: 368,479,262.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,678,687 : 247,081,283 = 247,081,283 : x
  2. Step 2: Convert to fraction form
    165,678,687/247,081,283 = 247,081,283/x
  3. Step 3: Cross multiply
    165,678,687x = 247,081,283 × 247,081,283
  4. Step 4: Simplify right side
    165,678,687x = 61,049,160,408,926,088
  5. Step 5: Solve for x
    x = 61,049,160,408,926,088/165,678,687
  6. Step 6: Final answer
    x = 368,479,262.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.