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Finding the Third Proportional to 7,288 and 15,836

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Solution

The third proportional to 7,288 and 15,836 is: 34,409.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288 : 15,836 = 15,836 : x
  2. Step 2: Convert to fraction form
    7,288/15,836 = 15,836/x
  3. Step 3: Cross multiply
    7,288x = 15,836 × 15,836
  4. Step 4: Simplify right side
    7,288x = 250,778,896
  5. Step 5: Solve for x
    x = 250,778,896/7,288
  6. Step 6: Final answer
    x = 34,409.84

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.