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Finding the Third Proportional to 87,724,044 and 190,092,240

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Solution

The third proportional to 87,724,044 and 190,092,240 is: 411,917,395.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,724,044 : 190,092,240 = 190,092,240 : x
  2. Step 2: Convert to fraction form
    87,724,044/190,092,240 = 190,092,240/x
  3. Step 3: Cross multiply
    87,724,044x = 190,092,240 × 190,092,240
  4. Step 4: Simplify right side
    87,724,044x = 36,135,059,708,217,600
  5. Step 5: Solve for x
    x = 36,135,059,708,217,600/87,724,044
  6. Step 6: Final answer
    x = 411,917,395.28

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.