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Finding the Third Proportional to 4,984 and 10,939

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Solution

The third proportional to 4,984 and 10,939 is: 24,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984 : 10,939 = 10,939 : x
  2. Step 2: Convert to fraction form
    4,984/10,939 = 10,939/x
  3. Step 3: Cross multiply
    4,984x = 10,939 × 10,939
  4. Step 4: Simplify right side
    4,984x = 119,661,721
  5. Step 5: Solve for x
    x = 119,661,721/4,984
  6. Step 6: Final answer
    x = 24,009.17

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.