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Finding the Third Proportional to 6,492 and 7,086

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Solution

The third proportional to 6,492 and 7,086 is: 7,734.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,492 : 7,086 = 7,086 : x
  2. Step 2: Convert to fraction form
    6,492/7,086 = 7,086/x
  3. Step 3: Cross multiply
    6,492x = 7,086 × 7,086
  4. Step 4: Simplify right side
    6,492x = 50,211,396
  5. Step 5: Solve for x
    x = 50,211,396/6,492
  6. Step 6: Final answer
    x = 7,734.35

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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.