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Finding the Third Proportional to 62,988.89 and 137,049.47

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Solution

The third proportional to 62,988.89 and 137,049.47 is: 298,188.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,988.89 : 137,049.47 = 137,049.47 : x
  2. Step 2: Convert to fraction form
    62,988.89/137,049.47 = 137,049.47/x
  3. Step 3: Cross multiply
    62,988.89x = 137,049.47 × 137,049.47
  4. Step 4: Simplify right side
    62,988.89x = 18,782,556,884.66
  5. Step 5: Solve for x
    x = 18,782,556,884.66/62,988.89
  6. Step 6: Final answer
    x = 298,188.41

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.