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Finding the Third Proportional to 7,288 and 14,336

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Solution

The third proportional to 7,288 and 14,336 is: 28,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288 : 14,336 = 14,336 : x
  2. Step 2: Convert to fraction form
    7,288/14,336 = 14,336/x
  3. Step 3: Cross multiply
    7,288x = 14,336 × 14,336
  4. Step 4: Simplify right side
    7,288x = 205,520,896
  5. Step 5: Solve for x
    x = 205,520,896/7,288
  6. Step 6: Final answer
    x = 28,199.90

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.