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Finding the Third Proportional to 55,001.75 and 85,787.75

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Solution

The third proportional to 55,001.75 and 85,787.75 is: 133,805.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,001.75 : 85,787.75 = 85,787.75 : x
  2. Step 2: Convert to fraction form
    55,001.75/85,787.75 = 85,787.75/x
  3. Step 3: Cross multiply
    55,001.75x = 85,787.75 × 85,787.75
  4. Step 4: Simplify right side
    55,001.75x = 7,359,538,050.06
  5. Step 5: Solve for x
    x = 7,359,538,050.06/55,001.75
  6. Step 6: Final answer
    x = 133,805.53

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.