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Finding the Third Proportional to 109,138.25 and 234,223.50

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Solution

The third proportional to 109,138.25 and 234,223.50 is: 502,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,138.25 : 234,223.50 = 234,223.50 : x
  2. Step 2: Convert to fraction form
    109,138.25/234,223.50 = 234,223.50/x
  3. Step 3: Cross multiply
    109,138.25x = 234,223.50 × 234,223.50
  4. Step 4: Simplify right side
    109,138.25x = 54,860,647,952.25
  5. Step 5: Solve for x
    x = 54,860,647,952.25/109,138.25
  6. Step 6: Final answer
    x = 502,671.13

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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.