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Finding the Third Proportional to 2,956 and 6,217

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Solution

The third proportional to 2,956 and 6,217 is: 13,075.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956 : 6,217 = 6,217 : x
  2. Step 2: Convert to fraction form
    2,956/6,217 = 6,217/x
  3. Step 3: Cross multiply
    2,956x = 6,217 × 6,217
  4. Step 4: Simplify right side
    2,956x = 38,651,089
  5. Step 5: Solve for x
    x = 38,651,089/2,956
  6. Step 6: Final answer
    x = 13,075.47

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.