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Finding the Third Proportional to 6,624 and 14,208.75

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Solution

The third proportional to 6,624 and 14,208.75 is: 30,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624 : 14,208.75 = 14,208.75 : x
  2. Step 2: Convert to fraction form
    6,624/14,208.75 = 14,208.75/x
  3. Step 3: Cross multiply
    6,624x = 14,208.75 × 14,208.75
  4. Step 4: Simplify right side
    6,624x = 201,888,576.56
  5. Step 5: Solve for x
    x = 201,888,576.56/6,624
  6. Step 6: Final answer
    x = 30,478.35

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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.