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Finding the Third Proportional to 76,250 and 115,671

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Solution

The third proportional to 76,250 and 115,671 is: 175,472.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,250 : 115,671 = 115,671 : x
  2. Step 2: Convert to fraction form
    76,250/115,671 = 115,671/x
  3. Step 3: Cross multiply
    76,250x = 115,671 × 115,671
  4. Step 4: Simplify right side
    76,250x = 13,379,780,241
  5. Step 5: Solve for x
    x = 13,379,780,241/76,250
  6. Step 6: Final answer
    x = 175,472.53

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.