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Finding the Third Proportional to 84,279.50 and 181,065.75

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Solution

The third proportional to 84,279.50 and 181,065.75 is: 389,000.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,279.50 : 181,065.75 = 181,065.75 : x
  2. Step 2: Convert to fraction form
    84,279.50/181,065.75 = 181,065.75/x
  3. Step 3: Cross multiply
    84,279.50x = 181,065.75 × 181,065.75
  4. Step 4: Simplify right side
    84,279.50x = 32,784,805,823.06
  5. Step 5: Solve for x
    x = 32,784,805,823.06/84,279.50
  6. Step 6: Final answer
    x = 389,000.95

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.