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Finding the Third Proportional to 393,932 and 590,736

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Solution

The third proportional to 393,932 and 590,736 is: 885,861.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,932 : 590,736 = 590,736 : x
  2. Step 2: Convert to fraction form
    393,932/590,736 = 590,736/x
  3. Step 3: Cross multiply
    393,932x = 590,736 × 590,736
  4. Step 4: Simplify right side
    393,932x = 348,969,021,696
  5. Step 5: Solve for x
    x = 348,969,021,696/393,932
  6. Step 6: Final answer
    x = 885,861.07

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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.