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Finding the Third Proportional to 2,390.75 and 3,692.63

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Solution

The third proportional to 2,390.75 and 3,692.63 is: 5,703.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.75 : 3,692.63 = 3,692.63 : x
  2. Step 2: Convert to fraction form
    2,390.75/3,692.63 = 3,692.63/x
  3. Step 3: Cross multiply
    2,390.75x = 3,692.63 × 3,692.63
  4. Step 4: Simplify right side
    2,390.75x = 13,635,479.39
  5. Step 5: Solve for x
    x = 13,635,479.39/2,390.75
  6. Step 6: Final answer
    x = 5,703.43

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