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Finding the Third Proportional to 6,489.25 and 9,777.38

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Solution

The third proportional to 6,489.25 and 9,777.38 is: 14,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,489.25 : 9,777.38 = 9,777.38 : x
  2. Step 2: Convert to fraction form
    6,489.25/9,777.38 = 9,777.38/x
  3. Step 3: Cross multiply
    6,489.25x = 9,777.38 × 9,777.38
  4. Step 4: Simplify right side
    6,489.25x = 95,597,061.89
  5. Step 5: Solve for x
    x = 95,597,061.89/6,489.25
  6. Step 6: Final answer
    x = 14,731.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.