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Finding the Third Proportional to 80,342.88 and 153,395.75

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Solution

The third proportional to 80,342.88 and 153,395.75 is: 292,872.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,342.88 : 153,395.75 = 153,395.75 : x
  2. Step 2: Convert to fraction form
    80,342.88/153,395.75 = 153,395.75/x
  3. Step 3: Cross multiply
    80,342.88x = 153,395.75 × 153,395.75
  4. Step 4: Simplify right side
    80,342.88x = 23,530,256,118.06
  5. Step 5: Solve for x
    x = 23,530,256,118.06/80,342.88
  6. Step 6: Final answer
    x = 292,872.97

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.