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Finding the Third Proportional to 185,311.75 and 406,081.75

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Solution

The third proportional to 185,311.75 and 406,081.75 is: 889,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,311.75 : 406,081.75 = 406,081.75 : x
  2. Step 2: Convert to fraction form
    185,311.75/406,081.75 = 406,081.75/x
  3. Step 3: Cross multiply
    185,311.75x = 406,081.75 × 406,081.75
  4. Step 4: Simplify right side
    185,311.75x = 164,902,387,683.06
  5. Step 5: Solve for x
    x = 164,902,387,683.06/185,311.75
  6. Step 6: Final answer
    x = 889,864.72

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.