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Finding the Third Proportional to 28,948 and 63,134

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Solution

The third proportional to 28,948 and 63,134 is: 137,691.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,948 : 63,134 = 63,134 : x
  2. Step 2: Convert to fraction form
    28,948/63,134 = 63,134/x
  3. Step 3: Cross multiply
    28,948x = 63,134 × 63,134
  4. Step 4: Simplify right side
    28,948x = 3,985,901,956
  5. Step 5: Solve for x
    x = 3,985,901,956/28,948
  6. Step 6: Final answer
    x = 137,691.79

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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.