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Finding the Third Proportional to 6,633 and 7,578

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Solution

The third proportional to 6,633 and 7,578 is: 8,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,633 : 7,578 = 7,578 : x
  2. Step 2: Convert to fraction form
    6,633/7,578 = 7,578/x
  3. Step 3: Cross multiply
    6,633x = 7,578 × 7,578
  4. Step 4: Simplify right side
    6,633x = 57,426,084
  5. Step 5: Solve for x
    x = 57,426,084/6,633
  6. Step 6: Final answer
    x = 8,657.63

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.