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Finding the Third Proportional to 163,405 and 341,775

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Solution

The third proportional to 163,405 and 341,775 is: 714,850.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,405 : 341,775 = 341,775 : x
  2. Step 2: Convert to fraction form
    163,405/341,775 = 341,775/x
  3. Step 3: Cross multiply
    163,405x = 341,775 × 341,775
  4. Step 4: Simplify right side
    163,405x = 116,810,150,625
  5. Step 5: Solve for x
    x = 116,810,150,625/163,405
  6. Step 6: Final answer
    x = 714,850.53

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.