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Finding the Third Proportional to 7,665.50 and 16,425

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Solution

The third proportional to 7,665.50 and 16,425 is: 35,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.50 : 16,425 = 16,425 : x
  2. Step 2: Convert to fraction form
    7,665.50/16,425 = 16,425/x
  3. Step 3: Cross multiply
    7,665.50x = 16,425 × 16,425
  4. Step 4: Simplify right side
    7,665.50x = 269,780,625
  5. Step 5: Solve for x
    x = 269,780,625/7,665.50
  6. Step 6: Final answer
    x = 35,194.13

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.