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Finding the Third Proportional to 148,976 and 220,566

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Solution

The third proportional to 148,976 and 220,566 is: 326,558.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,976 : 220,566 = 220,566 : x
  2. Step 2: Convert to fraction form
    148,976/220,566 = 220,566/x
  3. Step 3: Cross multiply
    148,976x = 220,566 × 220,566
  4. Step 4: Simplify right side
    148,976x = 48,649,360,356
  5. Step 5: Solve for x
    x = 48,649,360,356/148,976
  6. Step 6: Final answer
    x = 326,558.37

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.