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Finding the Third Proportional to 133,375.50 and 205,609.50

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Solution

The third proportional to 133,375.50 and 205,609.50 is: 316,964.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,375.50 : 205,609.50 = 205,609.50 : x
  2. Step 2: Convert to fraction form
    133,375.50/205,609.50 = 205,609.50/x
  3. Step 3: Cross multiply
    133,375.50x = 205,609.50 × 205,609.50
  4. Step 4: Simplify right side
    133,375.50x = 42,275,266,490.25
  5. Step 5: Solve for x
    x = 42,275,266,490.25/133,375.50
  6. Step 6: Final answer
    x = 316,964.26

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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.