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Finding the Third Proportional to 87,635,309.25 and 189,812,970

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Solution

The third proportional to 87,635,309.25 and 189,812,970 is: 411,123,825.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,635,309.25 : 189,812,970 = 189,812,970 : x
  2. Step 2: Convert to fraction form
    87,635,309.25/189,812,970 = 189,812,970/x
  3. Step 3: Cross multiply
    87,635,309.25x = 189,812,970 × 189,812,970
  4. Step 4: Simplify right side
    87,635,309.25x = 36,028,963,580,220,896
  5. Step 5: Solve for x
    x = 36,028,963,580,220,896/87,635,309.25
  6. Step 6: Final answer
    x = 411,123,825.41

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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.