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Finding the Third Proportional to 39,529.50 and 85,620

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Solution

The third proportional to 39,529.50 and 85,620 is: 185,450.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,529.50 : 85,620 = 85,620 : x
  2. Step 2: Convert to fraction form
    39,529.50/85,620 = 85,620/x
  3. Step 3: Cross multiply
    39,529.50x = 85,620 × 85,620
  4. Step 4: Simplify right side
    39,529.50x = 7,330,784,400
  5. Step 5: Solve for x
    x = 7,330,784,400/39,529.50
  6. Step 6: Final answer
    x = 185,450.98

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.