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Finding the Third Proportional to 148,644 and 326,676

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Solution

The third proportional to 148,644 and 326,676 is: 717,938.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,644 : 326,676 = 326,676 : x
  2. Step 2: Convert to fraction form
    148,644/326,676 = 326,676/x
  3. Step 3: Cross multiply
    148,644x = 326,676 × 326,676
  4. Step 4: Simplify right side
    148,644x = 106,717,208,976
  5. Step 5: Solve for x
    x = 106,717,208,976/148,644
  6. Step 6: Final answer
    x = 717,938.22

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.