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Finding the Third Proportional to 151,692 and 326,640

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Solution

The third proportional to 151,692 and 326,640 is: 703,357.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,692 : 326,640 = 326,640 : x
  2. Step 2: Convert to fraction form
    151,692/326,640 = 326,640/x
  3. Step 3: Cross multiply
    151,692x = 326,640 × 326,640
  4. Step 4: Simplify right side
    151,692x = 106,693,689,600
  5. Step 5: Solve for x
    x = 106,693,689,600/151,692
  6. Step 6: Final answer
    x = 703,357.39

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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.