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Finding the Third Proportional to 4,718 and 9,948

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Solution

The third proportional to 4,718 and 9,948 is: 20,975.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718 : 9,948 = 9,948 : x
  2. Step 2: Convert to fraction form
    4,718/9,948 = 9,948/x
  3. Step 3: Cross multiply
    4,718x = 9,948 × 9,948
  4. Step 4: Simplify right side
    4,718x = 98,962,704
  5. Step 5: Solve for x
    x = 98,962,704/4,718
  6. Step 6: Final answer
    x = 20,975.56

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.