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Finding the Third Proportional to 2,830 and 6,225

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Solution

The third proportional to 2,830 and 6,225 is: 13,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830 : 6,225 = 6,225 : x
  2. Step 2: Convert to fraction form
    2,830/6,225 = 6,225/x
  3. Step 3: Cross multiply
    2,830x = 6,225 × 6,225
  4. Step 4: Simplify right side
    2,830x = 38,750,625
  5. Step 5: Solve for x
    x = 38,750,625/2,830
  6. Step 6: Final answer
    x = 13,692.80

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.