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Finding the Third Proportional to 75,170 and 112,523

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Solution

The third proportional to 75,170 and 112,523 is: 168,437.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,170 : 112,523 = 112,523 : x
  2. Step 2: Convert to fraction form
    75,170/112,523 = 112,523/x
  3. Step 3: Cross multiply
    75,170x = 112,523 × 112,523
  4. Step 4: Simplify right side
    75,170x = 12,661,425,529
  5. Step 5: Solve for x
    x = 12,661,425,529/75,170
  6. Step 6: Final answer
    x = 168,437.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.