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Finding the Third Proportional to 185,007 and 399,519.75

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Solution

The third proportional to 185,007 and 399,519.75 is: 862,756.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,007 : 399,519.75 = 399,519.75 : x
  2. Step 2: Convert to fraction form
    185,007/399,519.75 = 399,519.75/x
  3. Step 3: Cross multiply
    185,007x = 399,519.75 × 399,519.75
  4. Step 4: Simplify right side
    185,007x = 159,616,030,640.06
  5. Step 5: Solve for x
    x = 159,616,030,640.06/185,007
  6. Step 6: Final answer
    x = 862,756.71

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.