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Finding the Third Proportional to 131,161.50 and 282,391.88

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Solution

The third proportional to 131,161.50 and 282,391.88 is: 607,992.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,161.50 : 282,391.88 = 282,391.88 : x
  2. Step 2: Convert to fraction form
    131,161.50/282,391.88 = 282,391.88/x
  3. Step 3: Cross multiply
    131,161.50x = 282,391.88 × 282,391.88
  4. Step 4: Simplify right side
    131,161.50x = 79,745,171,066.02
  5. Step 5: Solve for x
    x = 79,745,171,066.02/131,161.50
  6. Step 6: Final answer
    x = 607,992.22

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.