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Finding the Third Proportional to 43,830 and 96,396

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Solution

The third proportional to 43,830 and 96,396 is: 212,005.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,830 : 96,396 = 96,396 : x
  2. Step 2: Convert to fraction form
    43,830/96,396 = 96,396/x
  3. Step 3: Cross multiply
    43,830x = 96,396 × 96,396
  4. Step 4: Simplify right side
    43,830x = 9,292,188,816
  5. Step 5: Solve for x
    x = 9,292,188,816/43,830
  6. Step 6: Final answer
    x = 212,005.22

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.