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Finding the Third Proportional to 193,093.88 and 399,605.91

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Solution

The third proportional to 193,093.88 and 399,605.91 is: 826,980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,093.88 : 399,605.91 = 399,605.91 : x
  2. Step 2: Convert to fraction form
    193,093.88/399,605.91 = 399,605.91/x
  3. Step 3: Cross multiply
    193,093.88x = 399,605.91 × 399,605.91
  4. Step 4: Simplify right side
    193,093.88x = 159,684,880,309.88
  5. Step 5: Solve for x
    x = 159,684,880,309.88/193,093.88
  6. Step 6: Final answer
    x = 826,980.56

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.