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Finding the Third Proportional to 6,987.75 and 10,641

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Solution

The third proportional to 6,987.75 and 10,641 is: 16,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.75 : 10,641 = 10,641 : x
  2. Step 2: Convert to fraction form
    6,987.75/10,641 = 10,641/x
  3. Step 3: Cross multiply
    6,987.75x = 10,641 × 10,641
  4. Step 4: Simplify right side
    6,987.75x = 113,230,881
  5. Step 5: Solve for x
    x = 113,230,881/6,987.75
  6. Step 6: Final answer
    x = 16,204.20

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.