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Finding the Third Proportional to 252,456 and 379,332

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Solution

The third proportional to 252,456 and 379,332 is: 569,971.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,456 : 379,332 = 379,332 : x
  2. Step 2: Convert to fraction form
    252,456/379,332 = 379,332/x
  3. Step 3: Cross multiply
    252,456x = 379,332 × 379,332
  4. Step 4: Simplify right side
    252,456x = 143,892,766,224
  5. Step 5: Solve for x
    x = 143,892,766,224/252,456
  6. Step 6: Final answer
    x = 569,971.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.