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Finding the Third Proportional to 5,414 and 6,218

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Solution

The third proportional to 5,414 and 6,218 is: 7,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414 : 6,218 = 6,218 : x
  2. Step 2: Convert to fraction form
    5,414/6,218 = 6,218/x
  3. Step 3: Cross multiply
    5,414x = 6,218 × 6,218
  4. Step 4: Simplify right side
    5,414x = 38,663,524
  5. Step 5: Solve for x
    x = 38,663,524/5,414
  6. Step 6: Final answer
    x = 7,141.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.