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Finding the Third Proportional to 225,291.38 and 348,721.88

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Solution

The third proportional to 225,291.38 and 348,721.88 is: 539,776.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,291.38 : 348,721.88 = 348,721.88 : x
  2. Step 2: Convert to fraction form
    225,291.38/348,721.88 = 348,721.88/x
  3. Step 3: Cross multiply
    225,291.38x = 348,721.88 × 348,721.88
  4. Step 4: Simplify right side
    225,291.38x = 121,606,946,103.52
  5. Step 5: Solve for x
    x = 121,606,946,103.52/225,291.38
  6. Step 6: Final answer
    x = 539,776.31

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.