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Finding the Third Proportional to 72,601.50 and 170,812.88

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Solution

The third proportional to 72,601.50 and 170,812.88 is: 401,879.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,601.50 : 170,812.88 = 170,812.88 : x
  2. Step 2: Convert to fraction form
    72,601.50/170,812.88 = 170,812.88/x
  3. Step 3: Cross multiply
    72,601.50x = 170,812.88 × 170,812.88
  4. Step 4: Simplify right side
    72,601.50x = 29,177,038,265.77
  5. Step 5: Solve for x
    x = 29,177,038,265.77/72,601.50
  6. Step 6: Final answer
    x = 401,879.28

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These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.