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Finding the Third Proportional to 5,116.50 and 6,874.88

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Solution

The third proportional to 5,116.50 and 6,874.88 is: 9,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.50 : 6,874.88 = 6,874.88 : x
  2. Step 2: Convert to fraction form
    5,116.50/6,874.88 = 6,874.88/x
  3. Step 3: Cross multiply
    5,116.50x = 6,874.88 × 6,874.88
  4. Step 4: Simplify right side
    5,116.50x = 47,263,906.27
  5. Step 5: Solve for x
    x = 47,263,906.27/5,116.50
  6. Step 6: Final answer
    x = 9,237.55

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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.