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Finding the Third Proportional to 80,692.50 and 170,983.50

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Solution

The third proportional to 80,692.50 and 170,983.50 is: 362,305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,692.50 : 170,983.50 = 170,983.50 : x
  2. Step 2: Convert to fraction form
    80,692.50/170,983.50 = 170,983.50/x
  3. Step 3: Cross multiply
    80,692.50x = 170,983.50 × 170,983.50
  4. Step 4: Simplify right side
    80,692.50x = 29,235,357,272.25
  5. Step 5: Solve for x
    x = 29,235,357,272.25/80,692.50
  6. Step 6: Final answer
    x = 362,305.76

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.