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Finding the Third Proportional to 104,424.75 and 168,139.13

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Solution

The third proportional to 104,424.75 and 168,139.13 is: 270,728.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,424.75 : 168,139.13 = 168,139.13 : x
  2. Step 2: Convert to fraction form
    104,424.75/168,139.13 = 168,139.13/x
  3. Step 3: Cross multiply
    104,424.75x = 168,139.13 × 168,139.13
  4. Step 4: Simplify right side
    104,424.75x = 28,270,765,355.77
  5. Step 5: Solve for x
    x = 28,270,765,355.77/104,424.75
  6. Step 6: Final answer
    x = 270,728.59

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.