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Finding the Third Proportional to 49,150 and 77,950

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Solution

The third proportional to 49,150 and 77,950 is: 123,625.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,150 : 77,950 = 77,950 : x
  2. Step 2: Convert to fraction form
    49,150/77,950 = 77,950/x
  3. Step 3: Cross multiply
    49,150x = 77,950 × 77,950
  4. Step 4: Simplify right side
    49,150x = 6,076,202,500
  5. Step 5: Solve for x
    x = 6,076,202,500/49,150
  6. Step 6: Final answer
    x = 123,625.69

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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.