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Finding the Third Proportional to 142,512 and 225,651

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Solution

The third proportional to 142,512 and 225,651 is: 357,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,512 : 225,651 = 225,651 : x
  2. Step 2: Convert to fraction form
    142,512/225,651 = 225,651/x
  3. Step 3: Cross multiply
    142,512x = 225,651 × 225,651
  4. Step 4: Simplify right side
    142,512x = 50,918,373,801
  5. Step 5: Solve for x
    x = 50,918,373,801/142,512
  6. Step 6: Final answer
    x = 357,291.83

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.