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Finding the Third Proportional to 9,902.25 and 21,363.75

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Solution

The third proportional to 9,902.25 and 21,363.75 is: 46,091.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,902.25 : 21,363.75 = 21,363.75 : x
  2. Step 2: Convert to fraction form
    9,902.25/21,363.75 = 21,363.75/x
  3. Step 3: Cross multiply
    9,902.25x = 21,363.75 × 21,363.75
  4. Step 4: Simplify right side
    9,902.25x = 456,409,814.06
  5. Step 5: Solve for x
    x = 456,409,814.06/9,902.25
  6. Step 6: Final answer
    x = 46,091.53

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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.