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Finding the Third Proportional to 4,934 and 8,040

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Solution

The third proportional to 4,934 and 8,040 is: 13,101.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,934 : 8,040 = 8,040 : x
  2. Step 2: Convert to fraction form
    4,934/8,040 = 8,040/x
  3. Step 3: Cross multiply
    4,934x = 8,040 × 8,040
  4. Step 4: Simplify right side
    4,934x = 64,641,600
  5. Step 5: Solve for x
    x = 64,641,600/4,934
  6. Step 6: Final answer
    x = 13,101.26

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.