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Finding the Third Proportional to 3,917.81 and 6,114.94

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Solution

The third proportional to 3,917.81 and 6,114.94 is: 9,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.81 : 6,114.94 = 6,114.94 : x
  2. Step 2: Convert to fraction form
    3,917.81/6,114.94 = 6,114.94/x
  3. Step 3: Cross multiply
    3,917.81x = 6,114.94 × 6,114.94
  4. Step 4: Simplify right side
    3,917.81x = 37,392,460.63
  5. Step 5: Solve for x
    x = 37,392,460.63/3,917.81
  6. Step 6: Final answer
    x = 9,544.22

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.