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Finding the Third Proportional to 77,475.38 and 169,692.75

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Solution

The third proportional to 77,475.38 and 169,692.75 is: 371,674.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,475.38 : 169,692.75 = 169,692.75 : x
  2. Step 2: Convert to fraction form
    77,475.38/169,692.75 = 169,692.75/x
  3. Step 3: Cross multiply
    77,475.38x = 169,692.75 × 169,692.75
  4. Step 4: Simplify right side
    77,475.38x = 28,795,629,402.56
  5. Step 5: Solve for x
    x = 28,795,629,402.56/77,475.38
  6. Step 6: Final answer
    x = 371,674.61

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.