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Finding the Third Proportional to 113,839.13 and 169,836

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Solution

The third proportional to 113,839.13 and 169,836 is: 253,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,839.13 : 169,836 = 169,836 : x
  2. Step 2: Convert to fraction form
    113,839.13/169,836 = 169,836/x
  3. Step 3: Cross multiply
    113,839.13x = 169,836 × 169,836
  4. Step 4: Simplify right side
    113,839.13x = 28,844,266,896
  5. Step 5: Solve for x
    x = 28,844,266,896/113,839.13
  6. Step 6: Final answer
    x = 253,377.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.