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Finding the Third Proportional to 80,199.75 and 162,343.50

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Solution

The third proportional to 80,199.75 and 162,343.50 is: 328,622.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,199.75 : 162,343.50 = 162,343.50 : x
  2. Step 2: Convert to fraction form
    80,199.75/162,343.50 = 162,343.50/x
  3. Step 3: Cross multiply
    80,199.75x = 162,343.50 × 162,343.50
  4. Step 4: Simplify right side
    80,199.75x = 26,355,411,992.25
  5. Step 5: Solve for x
    x = 26,355,411,992.25/80,199.75
  6. Step 6: Final answer
    x = 328,622.12

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.