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Finding the Third Proportional to 10,622 and 19,918

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Solution

The third proportional to 10,622 and 19,918 is: 37,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622 : 19,918 = 19,918 : x
  2. Step 2: Convert to fraction form
    10,622/19,918 = 19,918/x
  3. Step 3: Cross multiply
    10,622x = 19,918 × 19,918
  4. Step 4: Simplify right side
    10,622x = 396,726,724
  5. Step 5: Solve for x
    x = 396,726,724/10,622
  6. Step 6: Final answer
    x = 37,349.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.