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Finding the Third Proportional to 126,448 and 272,500

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Solution

The third proportional to 126,448 and 272,500 is: 587,247.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,448 : 272,500 = 272,500 : x
  2. Step 2: Convert to fraction form
    126,448/272,500 = 272,500/x
  3. Step 3: Cross multiply
    126,448x = 272,500 × 272,500
  4. Step 4: Simplify right side
    126,448x = 74,256,250,000
  5. Step 5: Solve for x
    x = 74,256,250,000/126,448
  6. Step 6: Final answer
    x = 587,247.33

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.