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Finding the Third Proportional to 6,225 and 8,709

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Solution

The third proportional to 6,225 and 8,709 is: 12,184.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,225 : 8,709 = 8,709 : x
  2. Step 2: Convert to fraction form
    6,225/8,709 = 8,709/x
  3. Step 3: Cross multiply
    6,225x = 8,709 × 8,709
  4. Step 4: Simplify right side
    6,225x = 75,846,681
  5. Step 5: Solve for x
    x = 75,846,681/6,225
  6. Step 6: Final answer
    x = 12,184.21

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.