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Finding the Third Proportional to 3,955.75 and 6,149.63

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Solution

The third proportional to 3,955.75 and 6,149.63 is: 9,560.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.75 : 6,149.63 = 6,149.63 : x
  2. Step 2: Convert to fraction form
    3,955.75/6,149.63 = 6,149.63/x
  3. Step 3: Cross multiply
    3,955.75x = 6,149.63 × 6,149.63
  4. Step 4: Simplify right side
    3,955.75x = 37,817,887.64
  5. Step 5: Solve for x
    x = 37,817,887.64/3,955.75
  6. Step 6: Final answer
    x = 9,560.23

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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.