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Finding the Third Proportional to 48,516.38 and 77,148.63

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Solution

The third proportional to 48,516.38 and 77,148.63 is: 122,678.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,516.38 : 77,148.63 = 77,148.63 : x
  2. Step 2: Convert to fraction form
    48,516.38/77,148.63 = 77,148.63/x
  3. Step 3: Cross multiply
    48,516.38x = 77,148.63 × 77,148.63
  4. Step 4: Simplify right side
    48,516.38x = 5,951,910,339.39
  5. Step 5: Solve for x
    x = 5,951,910,339.39/48,516.38
  6. Step 6: Final answer
    x = 122,678.38

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.