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Finding the Third Proportional to 4,692.38 and 7,243.88

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Solution

The third proportional to 4,692.38 and 7,243.88 is: 11,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,692.38 : 7,243.88 = 7,243.88 : x
  2. Step 2: Convert to fraction form
    4,692.38/7,243.88 = 7,243.88/x
  3. Step 3: Cross multiply
    4,692.38x = 7,243.88 × 7,243.88
  4. Step 4: Simplify right side
    4,692.38x = 52,473,725.02
  5. Step 5: Solve for x
    x = 52,473,725.02/4,692.38
  6. Step 6: Final answer
    x = 11,182.76

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.