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Finding the Third Proportional to 2,225 and 3,457

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Solution

The third proportional to 2,225 and 3,457 is: 5,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225 : 3,457 = 3,457 : x
  2. Step 2: Convert to fraction form
    2,225/3,457 = 3,457/x
  3. Step 3: Cross multiply
    2,225x = 3,457 × 3,457
  4. Step 4: Simplify right side
    2,225x = 11,950,849
  5. Step 5: Solve for x
    x = 11,950,849/2,225
  6. Step 6: Final answer
    x = 5,371.17

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.