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Finding the Third Proportional to 9,822 and 21,200.25

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Solution

The third proportional to 9,822 and 21,200.25 is: 45,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,822 : 21,200.25 = 21,200.25 : x
  2. Step 2: Convert to fraction form
    9,822/21,200.25 = 21,200.25/x
  3. Step 3: Cross multiply
    9,822x = 21,200.25 × 21,200.25
  4. Step 4: Simplify right side
    9,822x = 449,450,600.06
  5. Step 5: Solve for x
    x = 449,450,600.06/9,822
  6. Step 6: Final answer
    x = 45,759.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.