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Finding the Third Proportional to 169,531.50 and 207,439.50

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Solution

The third proportional to 169,531.50 and 207,439.50 is: 253,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,531.50 : 207,439.50 = 207,439.50 : x
  2. Step 2: Convert to fraction form
    169,531.50/207,439.50 = 207,439.50/x
  3. Step 3: Cross multiply
    169,531.50x = 207,439.50 × 207,439.50
  4. Step 4: Simplify right side
    169,531.50x = 43,031,146,160.25
  5. Step 5: Solve for x
    x = 43,031,146,160.25/169,531.50
  6. Step 6: Final answer
    x = 253,823.90

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.