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Finding the Third Proportional to 237,870 and 326,187

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Solution

The third proportional to 237,870 and 326,187 is: 447,294.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,870 : 326,187 = 326,187 : x
  2. Step 2: Convert to fraction form
    237,870/326,187 = 326,187/x
  3. Step 3: Cross multiply
    237,870x = 326,187 × 326,187
  4. Step 4: Simplify right side
    237,870x = 106,397,958,969
  5. Step 5: Solve for x
    x = 106,397,958,969/237,870
  6. Step 6: Final answer
    x = 447,294.57

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.