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Finding the Third Proportional to 86,055 and 126,261

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Solution

The third proportional to 86,055 and 126,261 is: 185,251.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,055 : 126,261 = 126,261 : x
  2. Step 2: Convert to fraction form
    86,055/126,261 = 126,261/x
  3. Step 3: Cross multiply
    86,055x = 126,261 × 126,261
  4. Step 4: Simplify right side
    86,055x = 15,941,840,121
  5. Step 5: Solve for x
    x = 15,941,840,121/86,055
  6. Step 6: Final answer
    x = 185,251.76

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.