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Finding the Third Proportional to 4,974 and 7,251

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Solution

The third proportional to 4,974 and 7,251 is: 10,570.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974 : 7,251 = 7,251 : x
  2. Step 2: Convert to fraction form
    4,974/7,251 = 7,251/x
  3. Step 3: Cross multiply
    4,974x = 7,251 × 7,251
  4. Step 4: Simplify right side
    4,974x = 52,577,001
  5. Step 5: Solve for x
    x = 52,577,001/4,974
  6. Step 6: Final answer
    x = 10,570.37

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.