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Finding the Third Proportional to 39,392.25 and 84,322

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Solution

The third proportional to 39,392.25 and 84,322 is: 180,497.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,392.25 : 84,322 = 84,322 : x
  2. Step 2: Convert to fraction form
    39,392.25/84,322 = 84,322/x
  3. Step 3: Cross multiply
    39,392.25x = 84,322 × 84,322
  4. Step 4: Simplify right side
    39,392.25x = 7,110,199,684
  5. Step 5: Solve for x
    x = 7,110,199,684/39,392.25
  6. Step 6: Final answer
    x = 180,497.42

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.