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Finding the Third Proportional to 133,525 and 206,175

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Solution

The third proportional to 133,525 and 206,175 is: 318,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,525 : 206,175 = 206,175 : x
  2. Step 2: Convert to fraction form
    133,525/206,175 = 206,175/x
  3. Step 3: Cross multiply
    133,525x = 206,175 × 206,175
  4. Step 4: Simplify right side
    133,525x = 42,508,130,625
  5. Step 5: Solve for x
    x = 42,508,130,625/133,525
  6. Step 6: Final answer
    x = 318,353.35

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.