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Finding the Third Proportional to 2,148 and 2,372

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Solution

The third proportional to 2,148 and 2,372 is: 2,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148 : 2,372 = 2,372 : x
  2. Step 2: Convert to fraction form
    2,148/2,372 = 2,372/x
  3. Step 3: Cross multiply
    2,148x = 2,372 × 2,372
  4. Step 4: Simplify right side
    2,148x = 5,626,384
  5. Step 5: Solve for x
    x = 5,626,384/2,148
  6. Step 6: Final answer
    x = 2,619.36

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.