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Finding the Third Proportional to 7,372 and 15,427

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Solution

The third proportional to 7,372 and 15,427 is: 32,283.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372 : 15,427 = 15,427 : x
  2. Step 2: Convert to fraction form
    7,372/15,427 = 15,427/x
  3. Step 3: Cross multiply
    7,372x = 15,427 × 15,427
  4. Step 4: Simplify right side
    7,372x = 237,992,329
  5. Step 5: Solve for x
    x = 237,992,329/7,372
  6. Step 6: Final answer
    x = 32,283.28

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.