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Finding the Third Proportional to 7,028 and 14,200

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Solution

The third proportional to 7,028 and 14,200 is: 28,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028 : 14,200 = 14,200 : x
  2. Step 2: Convert to fraction form
    7,028/14,200 = 14,200/x
  3. Step 3: Cross multiply
    7,028x = 14,200 × 14,200
  4. Step 4: Simplify right side
    7,028x = 201,640,000
  5. Step 5: Solve for x
    x = 201,640,000/7,028
  6. Step 6: Final answer
    x = 28,690.95

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.