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Finding the Third Proportional to 127,279.13 and 251,346.94

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Solution

The third proportional to 127,279.13 and 251,346.94 is: 496,352.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,279.13 : 251,346.94 = 251,346.94 : x
  2. Step 2: Convert to fraction form
    127,279.13/251,346.94 = 251,346.94/x
  3. Step 3: Cross multiply
    127,279.13x = 251,346.94 × 251,346.94
  4. Step 4: Simplify right side
    127,279.13x = 63,175,282,990.63
  5. Step 5: Solve for x
    x = 63,175,282,990.63/127,279.13
  6. Step 6: Final answer
    x = 496,352.27

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.