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Finding the Third Proportional to 87,596,500 and 189,042,720

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Solution

The third proportional to 87,596,500 and 189,042,720 is: 407,974,633.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,596,500 : 189,042,720 = 189,042,720 : x
  2. Step 2: Convert to fraction form
    87,596,500/189,042,720 = 189,042,720/x
  3. Step 3: Cross multiply
    87,596,500x = 189,042,720 × 189,042,720
  4. Step 4: Simplify right side
    87,596,500x = 35,737,149,984,998,400
  5. Step 5: Solve for x
    x = 35,737,149,984,998,400/87,596,500
  6. Step 6: Final answer
    x = 407,974,633.52

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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.