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Finding the Third Proportional to 7,144 and 15,928

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Solution

The third proportional to 7,144 and 15,928 is: 35,512.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144 : 15,928 = 15,928 : x
  2. Step 2: Convert to fraction form
    7,144/15,928 = 15,928/x
  3. Step 3: Cross multiply
    7,144x = 15,928 × 15,928
  4. Step 4: Simplify right side
    7,144x = 253,701,184
  5. Step 5: Solve for x
    x = 253,701,184/7,144
  6. Step 6: Final answer
    x = 35,512.48

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.