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Finding the Third Proportional to 8,101.75 and 12,692.75

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Solution

The third proportional to 8,101.75 and 12,692.75 is: 19,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.75 : 12,692.75 = 12,692.75 : x
  2. Step 2: Convert to fraction form
    8,101.75/12,692.75 = 12,692.75/x
  3. Step 3: Cross multiply
    8,101.75x = 12,692.75 × 12,692.75
  4. Step 4: Simplify right side
    8,101.75x = 161,105,902.56
  5. Step 5: Solve for x
    x = 161,105,902.56/8,101.75
  6. Step 6: Final answer
    x = 19,885.32

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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.