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Finding the Third Proportional to 6,654 and 8,641

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Solution

The third proportional to 6,654 and 8,641 is: 11,221.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654 : 8,641 = 8,641 : x
  2. Step 2: Convert to fraction form
    6,654/8,641 = 8,641/x
  3. Step 3: Cross multiply
    6,654x = 8,641 × 8,641
  4. Step 4: Simplify right side
    6,654x = 74,666,881
  5. Step 5: Solve for x
    x = 74,666,881/6,654
  6. Step 6: Final answer
    x = 11,221.35

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.