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Finding the Third Proportional to 8,260 and 14,280

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Solution

The third proportional to 8,260 and 14,280 is: 24,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260 : 14,280 = 14,280 : x
  2. Step 2: Convert to fraction form
    8,260/14,280 = 14,280/x
  3. Step 3: Cross multiply
    8,260x = 14,280 × 14,280
  4. Step 4: Simplify right side
    8,260x = 203,918,400
  5. Step 5: Solve for x
    x = 203,918,400/8,260
  6. Step 6: Final answer
    x = 24,687.46

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Why These Related Problems?

These problems maintain the same ratio (1.73) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.