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Finding the Third Proportional to 68,131.13 and 147,926.25

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Solution

The third proportional to 68,131.13 and 147,926.25 is: 321,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,131.13 : 147,926.25 = 147,926.25 : x
  2. Step 2: Convert to fraction form
    68,131.13/147,926.25 = 147,926.25/x
  3. Step 3: Cross multiply
    68,131.13x = 147,926.25 × 147,926.25
  4. Step 4: Simplify right side
    68,131.13x = 21,882,175,439.06
  5. Step 5: Solve for x
    x = 21,882,175,439.06/68,131.13
  6. Step 6: Final answer
    x = 321,177.37

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.