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Finding the Third Proportional to 6,559.88 and 8,425.13

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Solution

The third proportional to 6,559.88 and 8,425.13 is: 10,820.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,559.88 : 8,425.13 = 8,425.13 : x
  2. Step 2: Convert to fraction form
    6,559.88/8,425.13 = 8,425.13/x
  3. Step 3: Cross multiply
    6,559.88x = 8,425.13 × 8,425.13
  4. Step 4: Simplify right side
    6,559.88x = 70,982,731.27
  5. Step 5: Solve for x
    x = 70,982,731.27/6,559.88
  6. Step 6: Final answer
    x = 10,820.74

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.