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Finding the Third Proportional to 9,122 and 19,948

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Solution

The third proportional to 9,122 and 19,948 is: 43,622.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122 : 19,948 = 19,948 : x
  2. Step 2: Convert to fraction form
    9,122/19,948 = 19,948/x
  3. Step 3: Cross multiply
    9,122x = 19,948 × 19,948
  4. Step 4: Simplify right side
    9,122x = 397,922,704
  5. Step 5: Solve for x
    x = 397,922,704/9,122
  6. Step 6: Final answer
    x = 43,622.31

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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.