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Finding the Third Proportional to 58,272 and 127,448

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Solution

The third proportional to 58,272 and 127,448 is: 278,744.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,272 : 127,448 = 127,448 : x
  2. Step 2: Convert to fraction form
    58,272/127,448 = 127,448/x
  3. Step 3: Cross multiply
    58,272x = 127,448 × 127,448
  4. Step 4: Simplify right side
    58,272x = 16,242,992,704
  5. Step 5: Solve for x
    x = 16,242,992,704/58,272
  6. Step 6: Final answer
    x = 278,744.38

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.