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Finding the Third Proportional to 87,887.53 and 189,124.88

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Solution

The third proportional to 87,887.53 and 189,124.88 is: 406,977.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,887.53 : 189,124.88 = 189,124.88 : x
  2. Step 2: Convert to fraction form
    87,887.53/189,124.88 = 189,124.88/x
  3. Step 3: Cross multiply
    87,887.53x = 189,124.88 × 189,124.88
  4. Step 4: Simplify right side
    87,887.53x = 35,768,218,343.77
  5. Step 5: Solve for x
    x = 35,768,218,343.77/87,887.53
  6. Step 6: Final answer
    x = 406,977.17

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.