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Finding the Third Proportional to 175,152 and 379,392

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Solution

The third proportional to 175,152 and 379,392 is: 821,790.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,152 : 379,392 = 379,392 : x
  2. Step 2: Convert to fraction form
    175,152/379,392 = 379,392/x
  3. Step 3: Cross multiply
    175,152x = 379,392 × 379,392
  4. Step 4: Simplify right side
    175,152x = 143,938,289,664
  5. Step 5: Solve for x
    x = 143,938,289,664/175,152
  6. Step 6: Final answer
    x = 821,790.73

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.