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Finding the Third Proportional to 99,754.50 and 149,728.50

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Solution

The third proportional to 99,754.50 and 149,728.50 is: 224,737.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,754.50 : 149,728.50 = 149,728.50 : x
  2. Step 2: Convert to fraction form
    99,754.50/149,728.50 = 149,728.50/x
  3. Step 3: Cross multiply
    99,754.50x = 149,728.50 × 149,728.50
  4. Step 4: Simplify right side
    99,754.50x = 22,418,623,712.25
  5. Step 5: Solve for x
    x = 22,418,623,712.25/99,754.50
  6. Step 6: Final answer
    x = 224,737.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.