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Finding the Third Proportional to 99,880.75 and 214,584.25

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Solution

The third proportional to 99,880.75 and 214,584.25 is: 461,013.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,880.75 : 214,584.25 = 214,584.25 : x
  2. Step 2: Convert to fraction form
    99,880.75/214,584.25 = 214,584.25/x
  3. Step 3: Cross multiply
    99,880.75x = 214,584.25 × 214,584.25
  4. Step 4: Simplify right side
    99,880.75x = 46,046,400,348.06
  5. Step 5: Solve for x
    x = 46,046,400,348.06/99,880.75
  6. Step 6: Final answer
    x = 461,013.76

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.