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Finding the Third Proportional to 133,050 and 206,591

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Solution

The third proportional to 133,050 and 206,591 is: 320,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,050 : 206,591 = 206,591 : x
  2. Step 2: Convert to fraction form
    133,050/206,591 = 206,591/x
  3. Step 3: Cross multiply
    133,050x = 206,591 × 206,591
  4. Step 4: Simplify right side
    133,050x = 42,679,841,281
  5. Step 5: Solve for x
    x = 42,679,841,281/133,050
  6. Step 6: Final answer
    x = 320,780.47

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.