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Finding the Third Proportional to 109,348 and 239,191

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Solution

The third proportional to 109,348 and 239,191 is: 523,213.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,348 : 239,191 = 239,191 : x
  2. Step 2: Convert to fraction form
    109,348/239,191 = 239,191/x
  3. Step 3: Cross multiply
    109,348x = 239,191 × 239,191
  4. Step 4: Simplify right side
    109,348x = 57,212,334,481
  5. Step 5: Solve for x
    x = 57,212,334,481/109,348
  6. Step 6: Final answer
    x = 523,213.36

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.