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Finding the Third Proportional to 2,406 and 3,511

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Solution

The third proportional to 2,406 and 3,511 is: 5,123.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406 : 3,511 = 3,511 : x
  2. Step 2: Convert to fraction form
    2,406/3,511 = 3,511/x
  3. Step 3: Cross multiply
    2,406x = 3,511 × 3,511
  4. Step 4: Simplify right side
    2,406x = 12,327,121
  5. Step 5: Solve for x
    x = 12,327,121/2,406
  6. Step 6: Final answer
    x = 5,123.49

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.