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Finding the Third Proportional to 84,169.50 and 181,458

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Solution

The third proportional to 84,169.50 and 181,458 is: 391,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,169.50 : 181,458 = 181,458 : x
  2. Step 2: Convert to fraction form
    84,169.50/181,458 = 181,458/x
  3. Step 3: Cross multiply
    84,169.50x = 181,458 × 181,458
  4. Step 4: Simplify right side
    84,169.50x = 32,927,005,764
  5. Step 5: Solve for x
    x = 32,927,005,764/84,169.50
  6. Step 6: Final answer
    x = 391,198.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.