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Finding the Third Proportional to 131,523.75 and 318,011.06

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Solution

The third proportional to 131,523.75 and 318,011.06 is: 768,918.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,523.75 : 318,011.06 = 318,011.06 : x
  2. Step 2: Convert to fraction form
    131,523.75/318,011.06 = 318,011.06/x
  3. Step 3: Cross multiply
    131,523.75x = 318,011.06 × 318,011.06
  4. Step 4: Simplify right side
    131,523.75x = 101,131,035,872.38
  5. Step 5: Solve for x
    x = 101,131,035,872.38/131,523.75
  6. Step 6: Final answer
    x = 768,918.43

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.