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Finding the Third Proportional to 6,286 and 6,862

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Solution

The third proportional to 6,286 and 6,862 is: 7,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286 : 6,862 = 6,862 : x
  2. Step 2: Convert to fraction form
    6,286/6,862 = 6,862/x
  3. Step 3: Cross multiply
    6,286x = 6,862 × 6,862
  4. Step 4: Simplify right side
    6,286x = 47,087,044
  5. Step 5: Solve for x
    x = 47,087,044/6,286
  6. Step 6: Final answer
    x = 7,490.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.