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Finding the Third Proportional to 55,890.38 and 86,346.75

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Solution

The third proportional to 55,890.38 and 86,346.75 is: 133,399.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,890.38 : 86,346.75 = 86,346.75 : x
  2. Step 2: Convert to fraction form
    55,890.38/86,346.75 = 86,346.75/x
  3. Step 3: Cross multiply
    55,890.38x = 86,346.75 × 86,346.75
  4. Step 4: Simplify right side
    55,890.38x = 7,455,761,235.56
  5. Step 5: Solve for x
    x = 7,455,761,235.56/55,890.38
  6. Step 6: Final answer
    x = 133,399.74

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.