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Finding the Third Proportional to 55,356.75 and 85,950

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Solution

The third proportional to 55,356.75 and 85,950 is: 133,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,356.75 : 85,950 = 85,950 : x
  2. Step 2: Convert to fraction form
    55,356.75/85,950 = 85,950/x
  3. Step 3: Cross multiply
    55,356.75x = 85,950 × 85,950
  4. Step 4: Simplify right side
    55,356.75x = 7,387,402,500
  5. Step 5: Solve for x
    x = 7,387,402,500/55,356.75
  6. Step 6: Final answer
    x = 133,450.80

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.