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Finding the Third Proportional to 2,216 and 2,456

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Solution

The third proportional to 2,216 and 2,456 is: 2,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216 : 2,456 = 2,456 : x
  2. Step 2: Convert to fraction form
    2,216/2,456 = 2,456/x
  3. Step 3: Cross multiply
    2,216x = 2,456 × 2,456
  4. Step 4: Simplify right side
    2,216x = 6,031,936
  5. Step 5: Solve for x
    x = 6,031,936/2,216
  6. Step 6: Final answer
    x = 2,721.99

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.