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Finding the Third Proportional to 4,110 and 5,641

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Solution

The third proportional to 4,110 and 5,641 is: 7,742.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,110 : 5,641 = 5,641 : x
  2. Step 2: Convert to fraction form
    4,110/5,641 = 5,641/x
  3. Step 3: Cross multiply
    4,110x = 5,641 × 5,641
  4. Step 4: Simplify right side
    4,110x = 31,820,881
  5. Step 5: Solve for x
    x = 31,820,881/4,110
  6. Step 6: Final answer
    x = 7,742.31

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.