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Finding the Third Proportional to 2,531 and 2,927

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Solution

The third proportional to 2,531 and 2,927 is: 3,384.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531 : 2,927 = 2,927 : x
  2. Step 2: Convert to fraction form
    2,531/2,927 = 2,927/x
  3. Step 3: Cross multiply
    2,531x = 2,927 × 2,927
  4. Step 4: Simplify right side
    2,531x = 8,567,329
  5. Step 5: Solve for x
    x = 8,567,329/2,531
  6. Step 6: Final answer
    x = 3,384.96

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.