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Finding the Third Proportional to 7,148 and 15,344

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Solution

The third proportional to 7,148 and 15,344 is: 32,937.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148 : 15,344 = 15,344 : x
  2. Step 2: Convert to fraction form
    7,148/15,344 = 15,344/x
  3. Step 3: Cross multiply
    7,148x = 15,344 × 15,344
  4. Step 4: Simplify right side
    7,148x = 235,438,336
  5. Step 5: Solve for x
    x = 235,438,336/7,148
  6. Step 6: Final answer
    x = 32,937.65

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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.