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Finding the Third Proportional to 6,320 and 8,364

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Solution

The third proportional to 6,320 and 8,364 is: 11,069.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320 : 8,364 = 8,364 : x
  2. Step 2: Convert to fraction form
    6,320/8,364 = 8,364/x
  3. Step 3: Cross multiply
    6,320x = 8,364 × 8,364
  4. Step 4: Simplify right side
    6,320x = 69,956,496
  5. Step 5: Solve for x
    x = 69,956,496/6,320
  6. Step 6: Final answer
    x = 11,069.07

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.