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Finding the Third Proportional to 72,601.31 and 108,933.19

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Solution

The third proportional to 72,601.31 and 108,933.19 is: 163,446.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,601.31 : 108,933.19 = 108,933.19 : x
  2. Step 2: Convert to fraction form
    72,601.31/108,933.19 = 108,933.19/x
  3. Step 3: Cross multiply
    72,601.31x = 108,933.19 × 108,933.19
  4. Step 4: Simplify right side
    72,601.31x = 11,866,439,338.91
  5. Step 5: Solve for x
    x = 11,866,439,338.91/72,601.31
  6. Step 6: Final answer
    x = 163,446.62

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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.