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Finding the Third Proportional to 112,663.13 and 158,469.75

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Solution

The third proportional to 112,663.13 and 158,469.75 is: 222,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,663.13 : 158,469.75 = 158,469.75 : x
  2. Step 2: Convert to fraction form
    112,663.13/158,469.75 = 158,469.75/x
  3. Step 3: Cross multiply
    112,663.13x = 158,469.75 × 158,469.75
  4. Step 4: Simplify right side
    112,663.13x = 25,112,661,665.06
  5. Step 5: Solve for x
    x = 25,112,661,665.06/112,663.13
  6. Step 6: Final answer
    x = 222,900.45

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.