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Finding the Third Proportional to 185,061 and 398,187

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Solution

The third proportional to 185,061 and 398,187 is: 856,760.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,061 : 398,187 = 398,187 : x
  2. Step 2: Convert to fraction form
    185,061/398,187 = 398,187/x
  3. Step 3: Cross multiply
    185,061x = 398,187 × 398,187
  4. Step 4: Simplify right side
    185,061x = 158,552,886,969
  5. Step 5: Solve for x
    x = 158,552,886,969/185,061
  6. Step 6: Final answer
    x = 856,760.13

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.