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Finding the Third Proportional to 229,354 and 354,257

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Solution

The third proportional to 229,354 and 354,257 is: 547,180.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,354 : 354,257 = 354,257 : x
  2. Step 2: Convert to fraction form
    229,354/354,257 = 354,257/x
  3. Step 3: Cross multiply
    229,354x = 354,257 × 354,257
  4. Step 4: Simplify right side
    229,354x = 125,498,022,049
  5. Step 5: Solve for x
    x = 125,498,022,049/229,354
  6. Step 6: Final answer
    x = 547,180.44

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.