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Finding the Third Proportional to 25,508.67 and 54,921.80

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Solution

The third proportional to 25,508.67 and 54,921.80 is: 118,250.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,508.67 : 54,921.80 = 54,921.80 : x
  2. Step 2: Convert to fraction form
    25,508.67/54,921.80 = 54,921.80/x
  3. Step 3: Cross multiply
    25,508.67x = 54,921.80 × 54,921.80
  4. Step 4: Simplify right side
    25,508.67x = 3,016,403,771.98
  5. Step 5: Solve for x
    x = 3,016,403,771.98/25,508.67
  6. Step 6: Final answer
    x = 118,250.13

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.