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Finding the Third Proportional to 55,359.75 and 81,194.25

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Solution

The third proportional to 55,359.75 and 81,194.25 is: 119,084.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,359.75 : 81,194.25 = 81,194.25 : x
  2. Step 2: Convert to fraction form
    55,359.75/81,194.25 = 81,194.25/x
  3. Step 3: Cross multiply
    55,359.75x = 81,194.25 × 81,194.25
  4. Step 4: Simplify right side
    55,359.75x = 6,592,506,233.06
  5. Step 5: Solve for x
    x = 6,592,506,233.06/55,359.75
  6. Step 6: Final answer
    x = 119,084.83

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.