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Finding the Third Proportional to 2,725 and 6,397

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Solution

The third proportional to 2,725 and 6,397 is: 15,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725 : 6,397 = 6,397 : x
  2. Step 2: Convert to fraction form
    2,725/6,397 = 6,397/x
  3. Step 3: Cross multiply
    2,725x = 6,397 × 6,397
  4. Step 4: Simplify right side
    2,725x = 40,921,609
  5. Step 5: Solve for x
    x = 40,921,609/2,725
  6. Step 6: Final answer
    x = 15,017.10

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.