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Finding the Third Proportional to 55,080 and 82,412.44

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Solution

The third proportional to 55,080 and 82,412.44 is: 123,308.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,080 : 82,412.44 = 82,412.44 : x
  2. Step 2: Convert to fraction form
    55,080/82,412.44 = 82,412.44/x
  3. Step 3: Cross multiply
    55,080x = 82,412.44 × 82,412.44
  4. Step 4: Simplify right side
    55,080x = 6,791,809,854.69
  5. Step 5: Solve for x
    x = 6,791,809,854.69/55,080
  6. Step 6: Final answer
    x = 123,308.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.