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Finding the Third Proportional to 188,554.50 and 406,626.75

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Solution

The third proportional to 188,554.50 and 406,626.75 is: 876,909.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,554.50 : 406,626.75 = 406,626.75 : x
  2. Step 2: Convert to fraction form
    188,554.50/406,626.75 = 406,626.75/x
  3. Step 3: Cross multiply
    188,554.50x = 406,626.75 × 406,626.75
  4. Step 4: Simplify right side
    188,554.50x = 165,345,313,815.56
  5. Step 5: Solve for x
    x = 165,345,313,815.56/188,554.50
  6. Step 6: Final answer
    x = 876,909.93

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.