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Finding the Third Proportional to 15,237 and 30,891

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Solution

The third proportional to 15,237 and 30,891 is: 62,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237 : 30,891 = 30,891 : x
  2. Step 2: Convert to fraction form
    15,237/30,891 = 30,891/x
  3. Step 3: Cross multiply
    15,237x = 30,891 × 30,891
  4. Step 4: Simplify right side
    15,237x = 954,253,881
  5. Step 5: Solve for x
    x = 954,253,881/15,237
  6. Step 6: Final answer
    x = 62,627.41

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.