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Finding the Third Proportional to 8,215.50 and 14,595

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Solution

The third proportional to 8,215.50 and 14,595 is: 25,928.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.50 : 14,595 = 14,595 : x
  2. Step 2: Convert to fraction form
    8,215.50/14,595 = 14,595/x
  3. Step 3: Cross multiply
    8,215.50x = 14,595 × 14,595
  4. Step 4: Simplify right side
    8,215.50x = 213,014,025
  5. Step 5: Solve for x
    x = 213,014,025/8,215.50
  6. Step 6: Final answer
    x = 25,928.31

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.