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Finding the Third Proportional to 109,716.75 and 147,079.13

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Solution

The third proportional to 109,716.75 and 147,079.13 is: 197,164.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,716.75 : 147,079.13 = 147,079.13 : x
  2. Step 2: Convert to fraction form
    109,716.75/147,079.13 = 147,079.13/x
  3. Step 3: Cross multiply
    109,716.75x = 147,079.13 × 147,079.13
  4. Step 4: Simplify right side
    109,716.75x = 21,632,269,010.77
  5. Step 5: Solve for x
    x = 21,632,269,010.77/109,716.75
  6. Step 6: Final answer
    x = 197,164.69

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.