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Finding the Third Proportional to 9,830.75 and 21,226.75

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Solution

The third proportional to 9,830.75 and 21,226.75 is: 45,833.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,830.75 : 21,226.75 = 21,226.75 : x
  2. Step 2: Convert to fraction form
    9,830.75/21,226.75 = 21,226.75/x
  3. Step 3: Cross multiply
    9,830.75x = 21,226.75 × 21,226.75
  4. Step 4: Simplify right side
    9,830.75x = 450,574,915.56
  5. Step 5: Solve for x
    x = 450,574,915.56/9,830.75
  6. Step 6: Final answer
    x = 45,833.22

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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.