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Finding the Third Proportional to 72,601.31 and 156,327.19

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Solution

The third proportional to 72,601.31 and 156,327.19 is: 336,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,601.31 : 156,327.19 = 156,327.19 : x
  2. Step 2: Convert to fraction form
    72,601.31/156,327.19 = 156,327.19/x
  3. Step 3: Cross multiply
    72,601.31x = 156,327.19 × 156,327.19
  4. Step 4: Simplify right side
    72,601.31x = 24,438,189,551.66
  5. Step 5: Solve for x
    x = 24,438,189,551.66/72,601.31
  6. Step 6: Final answer
    x = 336,608.10

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.