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Finding the Third Proportional to 89,538 and 125,512.50

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Solution

The third proportional to 89,538 and 125,512.50 is: 175,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,538 : 125,512.50 = 125,512.50 : x
  2. Step 2: Convert to fraction form
    89,538/125,512.50 = 125,512.50/x
  3. Step 3: Cross multiply
    89,538x = 125,512.50 × 125,512.50
  4. Step 4: Simplify right side
    89,538x = 15,753,387,656.25
  5. Step 5: Solve for x
    x = 15,753,387,656.25/89,538
  6. Step 6: Final answer
    x = 175,940.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.