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Finding the Third Proportional to 237,820 and 326,110

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Solution

The third proportional to 237,820 and 326,110 is: 447,177.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,820 : 326,110 = 326,110 : x
  2. Step 2: Convert to fraction form
    237,820/326,110 = 326,110/x
  3. Step 3: Cross multiply
    237,820x = 326,110 × 326,110
  4. Step 4: Simplify right side
    237,820x = 106,347,732,100
  5. Step 5: Solve for x
    x = 106,347,732,100/237,820
  6. Step 6: Final answer
    x = 447,177.41

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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.