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Finding the Third Proportional to 6,528 and 8,376

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Solution

The third proportional to 6,528 and 8,376 is: 10,747.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528 : 8,376 = 8,376 : x
  2. Step 2: Convert to fraction form
    6,528/8,376 = 8,376/x
  3. Step 3: Cross multiply
    6,528x = 8,376 × 8,376
  4. Step 4: Simplify right side
    6,528x = 70,157,376
  5. Step 5: Solve for x
    x = 70,157,376/6,528
  6. Step 6: Final answer
    x = 10,747.15

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.