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Finding the Third Proportional to 5,242 and 6,999

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Solution

The third proportional to 5,242 and 6,999 is: 9,344.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242 : 6,999 = 6,999 : x
  2. Step 2: Convert to fraction form
    5,242/6,999 = 6,999/x
  3. Step 3: Cross multiply
    5,242x = 6,999 × 6,999
  4. Step 4: Simplify right side
    5,242x = 48,986,001
  5. Step 5: Solve for x
    x = 48,986,001/5,242
  6. Step 6: Final answer
    x = 9,344.91

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.