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Finding the Third Proportional to 3,656 and 4,457

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Solution

The third proportional to 3,656 and 4,457 is: 5,433.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656 : 4,457 = 4,457 : x
  2. Step 2: Convert to fraction form
    3,656/4,457 = 4,457/x
  3. Step 3: Cross multiply
    3,656x = 4,457 × 4,457
  4. Step 4: Simplify right side
    3,656x = 19,864,849
  5. Step 5: Solve for x
    x = 19,864,849/3,656
  6. Step 6: Final answer
    x = 5,433.49

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.