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Finding the Third Proportional to 6,306 and 6,981

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Solution

The third proportional to 6,306 and 6,981 is: 7,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,306 : 6,981 = 6,981 : x
  2. Step 2: Convert to fraction form
    6,306/6,981 = 6,981/x
  3. Step 3: Cross multiply
    6,306x = 6,981 × 6,981
  4. Step 4: Simplify right side
    6,306x = 48,734,361
  5. Step 5: Solve for x
    x = 48,734,361/6,306
  6. Step 6: Final answer
    x = 7,728.25

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.