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Finding the Third Proportional to 5,557 and 6,745

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Solution

The third proportional to 5,557 and 6,745 is: 8,186.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557 : 6,745 = 6,745 : x
  2. Step 2: Convert to fraction form
    5,557/6,745 = 6,745/x
  3. Step 3: Cross multiply
    5,557x = 6,745 × 6,745
  4. Step 4: Simplify right side
    5,557x = 45,495,025
  5. Step 5: Solve for x
    x = 45,495,025/5,557
  6. Step 6: Final answer
    x = 8,186.98

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.