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Finding the Third Proportional to 7,028 and 14,380

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Solution

The third proportional to 7,028 and 14,380 is: 29,422.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028 : 14,380 = 14,380 : x
  2. Step 2: Convert to fraction form
    7,028/14,380 = 14,380/x
  3. Step 3: Cross multiply
    7,028x = 14,380 × 14,380
  4. Step 4: Simplify right side
    7,028x = 206,784,400
  5. Step 5: Solve for x
    x = 206,784,400/7,028
  6. Step 6: Final answer
    x = 29,422.94

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.