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Finding the Third Proportional to 72,496.50 and 159,177.50

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Solution

The third proportional to 72,496.50 and 159,177.50 is: 349,499.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,496.50 : 159,177.50 = 159,177.50 : x
  2. Step 2: Convert to fraction form
    72,496.50/159,177.50 = 159,177.50/x
  3. Step 3: Cross multiply
    72,496.50x = 159,177.50 × 159,177.50
  4. Step 4: Simplify right side
    72,496.50x = 25,337,476,506.25
  5. Step 5: Solve for x
    x = 25,337,476,506.25/72,496.50
  6. Step 6: Final answer
    x = 349,499.31

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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.