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Finding the Third Proportional to 175,600 and 379,278

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Solution

The third proportional to 175,600 and 379,278 is: 819,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,600 : 379,278 = 379,278 : x
  2. Step 2: Convert to fraction form
    175,600/379,278 = 379,278/x
  3. Step 3: Cross multiply
    175,600x = 379,278 × 379,278
  4. Step 4: Simplify right side
    175,600x = 143,851,801,284
  5. Step 5: Solve for x
    x = 143,851,801,284/175,600
  6. Step 6: Final answer
    x = 819,201.60

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.