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Finding the Third Proportional to 87,636,112 and 136,414,472

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Solution

The third proportional to 87,636,112 and 136,414,472 is: 212,342,922.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,636,112 : 136,414,472 = 136,414,472 : x
  2. Step 2: Convert to fraction form
    87,636,112/136,414,472 = 136,414,472/x
  3. Step 3: Cross multiply
    87,636,112x = 136,414,472 × 136,414,472
  4. Step 4: Simplify right side
    87,636,112x = 18,608,908,171,038,784
  5. Step 5: Solve for x
    x = 18,608,908,171,038,784/87,636,112
  6. Step 6: Final answer
    x = 212,342,922.87

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.