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Finding the Third Proportional to 161,324,172 and 247,966,872

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Solution

The third proportional to 161,324,172 and 247,966,872 is: 381,142,942.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,324,172 : 247,966,872 = 247,966,872 : x
  2. Step 2: Convert to fraction form
    161,324,172/247,966,872 = 247,966,872/x
  3. Step 3: Cross multiply
    161,324,172x = 247,966,872 × 247,966,872
  4. Step 4: Simplify right side
    161,324,172x = 61,487,569,609,464,384
  5. Step 5: Solve for x
    x = 61,487,569,609,464,384/161,324,172
  6. Step 6: Final answer
    x = 381,142,942.48

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.