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Finding the Third Proportional to 7,144 and 15,336

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Solution

The third proportional to 7,144 and 15,336 is: 32,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144 : 15,336 = 15,336 : x
  2. Step 2: Convert to fraction form
    7,144/15,336 = 15,336/x
  3. Step 3: Cross multiply
    7,144x = 15,336 × 15,336
  4. Step 4: Simplify right side
    7,144x = 235,192,896
  5. Step 5: Solve for x
    x = 235,192,896/7,144
  6. Step 6: Final answer
    x = 32,921.74

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.