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Finding the Third Proportional to 142,026.75 and 220,924.13

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Solution

The third proportional to 142,026.75 and 220,924.13 is: 343,649.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,026.75 : 220,924.13 = 220,924.13 : x
  2. Step 2: Convert to fraction form
    142,026.75/220,924.13 = 220,924.13/x
  3. Step 3: Cross multiply
    142,026.75x = 220,924.13 × 220,924.13
  4. Step 4: Simplify right side
    142,026.75x = 48,807,469,007.02
  5. Step 5: Solve for x
    x = 48,807,469,007.02/142,026.75
  6. Step 6: Final answer
    x = 343,649.83

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.