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Finding the Third Proportional to 109,839.38 and 239,726.25

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Solution

The third proportional to 109,839.38 and 239,726.25 is: 523,206.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,839.38 : 239,726.25 = 239,726.25 : x
  2. Step 2: Convert to fraction form
    109,839.38/239,726.25 = 239,726.25/x
  3. Step 3: Cross multiply
    109,839.38x = 239,726.25 × 239,726.25
  4. Step 4: Simplify right side
    109,839.38x = 57,468,674,939.06
  5. Step 5: Solve for x
    x = 57,468,674,939.06/109,839.38
  6. Step 6: Final answer
    x = 523,206.50

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.