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Finding the Third Proportional to 109,387.13 and 164,081.25

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Solution

The third proportional to 109,387.13 and 164,081.25 is: 246,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,387.13 : 164,081.25 = 164,081.25 : x
  2. Step 2: Convert to fraction form
    109,387.13/164,081.25 = 164,081.25/x
  3. Step 3: Cross multiply
    109,387.13x = 164,081.25 × 164,081.25
  4. Step 4: Simplify right side
    109,387.13x = 26,922,656,601.56
  5. Step 5: Solve for x
    x = 26,922,656,601.56/109,387.13
  6. Step 6: Final answer
    x = 246,122.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.