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Finding the Third Proportional to 4,929 and 6,651

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Solution

The third proportional to 4,929 and 6,651 is: 8,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929 : 6,651 = 6,651 : x
  2. Step 2: Convert to fraction form
    4,929/6,651 = 6,651/x
  3. Step 3: Cross multiply
    4,929x = 6,651 × 6,651
  4. Step 4: Simplify right side
    4,929x = 44,235,801
  5. Step 5: Solve for x
    x = 44,235,801/4,929
  6. Step 6: Final answer
    x = 8,974.60

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.