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Finding the Third Proportional to 3,874.50 and 7,955

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Solution

The third proportional to 3,874.50 and 7,955 is: 16,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.50 : 7,955 = 7,955 : x
  2. Step 2: Convert to fraction form
    3,874.50/7,955 = 7,955/x
  3. Step 3: Cross multiply
    3,874.50x = 7,955 × 7,955
  4. Step 4: Simplify right side
    3,874.50x = 63,282,025
  5. Step 5: Solve for x
    x = 63,282,025/3,874.50
  6. Step 6: Final answer
    x = 16,332.95

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.