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Finding the Third Proportional to 60,189.75 and 80,523

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Solution

The third proportional to 60,189.75 and 80,523 is: 107,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,189.75 : 80,523 = 80,523 : x
  2. Step 2: Convert to fraction form
    60,189.75/80,523 = 80,523/x
  3. Step 3: Cross multiply
    60,189.75x = 80,523 × 80,523
  4. Step 4: Simplify right side
    60,189.75x = 6,483,953,529
  5. Step 5: Solve for x
    x = 6,483,953,529/60,189.75
  6. Step 6: Final answer
    x = 107,725.21

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.