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Finding the Third Proportional to 86,119 and 125,775

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Solution

The third proportional to 86,119 and 125,775 is: 183,691.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,119 : 125,775 = 125,775 : x
  2. Step 2: Convert to fraction form
    86,119/125,775 = 125,775/x
  3. Step 3: Cross multiply
    86,119x = 125,775 × 125,775
  4. Step 4: Simplify right side
    86,119x = 15,819,350,625
  5. Step 5: Solve for x
    x = 15,819,350,625/86,119
  6. Step 6: Final answer
    x = 183,691.76

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.