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Finding the Third Proportional to 87,334.45 and 123,603.47

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Solution

The third proportional to 87,334.45 and 123,603.47 is: 174,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,334.45 : 123,603.47 = 123,603.47 : x
  2. Step 2: Convert to fraction form
    87,334.45/123,603.47 = 123,603.47/x
  3. Step 3: Cross multiply
    87,334.45x = 123,603.47 × 123,603.47
  4. Step 4: Simplify right side
    87,334.45x = 15,277,817,487.03
  5. Step 5: Solve for x
    x = 15,277,817,487.03/87,334.45
  6. Step 6: Final answer
    x = 174,934.60

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.