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Finding the Third Proportional to 7,288 and 14,396

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Solution

The third proportional to 7,288 and 14,396 is: 28,436.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288 : 14,396 = 14,396 : x
  2. Step 2: Convert to fraction form
    7,288/14,396 = 14,396/x
  3. Step 3: Cross multiply
    7,288x = 14,396 × 14,396
  4. Step 4: Simplify right side
    7,288x = 207,244,816
  5. Step 5: Solve for x
    x = 207,244,816/7,288
  6. Step 6: Final answer
    x = 28,436.45

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.