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Finding the Third Proportional to 5,872.50 and 9,311.63

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Solution

The third proportional to 5,872.50 and 9,311.63 is: 14,764.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.50 : 9,311.63 = 9,311.63 : x
  2. Step 2: Convert to fraction form
    5,872.50/9,311.63 = 9,311.63/x
  3. Step 3: Cross multiply
    5,872.50x = 9,311.63 × 9,311.63
  4. Step 4: Simplify right side
    5,872.50x = 86,706,360.14
  5. Step 5: Solve for x
    x = 86,706,360.14/5,872.50
  6. Step 6: Final answer
    x = 14,764.81

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.