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Finding the Third Proportional to 68,747.06 and 149,158.13

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Solution

The third proportional to 68,747.06 and 149,158.13 is: 323,623.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,747.06 : 149,158.13 = 149,158.13 : x
  2. Step 2: Convert to fraction form
    68,747.06/149,158.13 = 149,158.13/x
  3. Step 3: Cross multiply
    68,747.06x = 149,158.13 × 149,158.13
  4. Step 4: Simplify right side
    68,747.06x = 22,248,146,253.52
  5. Step 5: Solve for x
    x = 22,248,146,253.52/68,747.06
  6. Step 6: Final answer
    x = 323,623.23

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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.