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Finding the Third Proportional to 2,370 and 5,100

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Solution

The third proportional to 2,370 and 5,100 is: 10,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370 : 5,100 = 5,100 : x
  2. Step 2: Convert to fraction form
    2,370/5,100 = 5,100/x
  3. Step 3: Cross multiply
    2,370x = 5,100 × 5,100
  4. Step 4: Simplify right side
    2,370x = 26,010,000
  5. Step 5: Solve for x
    x = 26,010,000/2,370
  6. Step 6: Final answer
    x = 10,974.68

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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.