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Finding the Third Proportional to 4,980 and 7,441

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Solution

The third proportional to 4,980 and 7,441 is: 11,118.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980 : 7,441 = 7,441 : x
  2. Step 2: Convert to fraction form
    4,980/7,441 = 7,441/x
  3. Step 3: Cross multiply
    4,980x = 7,441 × 7,441
  4. Step 4: Simplify right side
    4,980x = 55,368,481
  5. Step 5: Solve for x
    x = 55,368,481/4,980
  6. Step 6: Final answer
    x = 11,118.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.