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Finding the Third Proportional to 3,935.63 and 5,502.19

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Solution

The third proportional to 3,935.63 and 5,502.19 is: 7,692.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.63 : 5,502.19 = 5,502.19 : x
  2. Step 2: Convert to fraction form
    3,935.63/5,502.19 = 5,502.19/x
  3. Step 3: Cross multiply
    3,935.63x = 5,502.19 × 5,502.19
  4. Step 4: Simplify right side
    3,935.63x = 30,274,067.29
  5. Step 5: Solve for x
    x = 30,274,067.29/3,935.63
  6. Step 6: Final answer
    x = 7,692.32

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.