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Finding the Third Proportional to 393,930 and 590,733

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Solution

The third proportional to 393,930 and 590,733 is: 885,856.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,930 : 590,733 = 590,733 : x
  2. Step 2: Convert to fraction form
    393,930/590,733 = 590,733/x
  3. Step 3: Cross multiply
    393,930x = 590,733 × 590,733
  4. Step 4: Simplify right side
    393,930x = 348,965,477,289
  5. Step 5: Solve for x
    x = 348,965,477,289/393,930
  6. Step 6: Final answer
    x = 885,856.57

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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.