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Finding the Third Proportional to 108,738.50 and 239,552.50

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Solution

The third proportional to 108,738.50 and 239,552.50 is: 527,737.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,738.50 : 239,552.50 = 239,552.50 : x
  2. Step 2: Convert to fraction form
    108,738.50/239,552.50 = 239,552.50/x
  3. Step 3: Cross multiply
    108,738.50x = 239,552.50 × 239,552.50
  4. Step 4: Simplify right side
    108,738.50x = 57,385,400,256.25
  5. Step 5: Solve for x
    x = 57,385,400,256.25/108,738.50
  6. Step 6: Final answer
    x = 527,737.65

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.