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Finding the Third Proportional to 190,899 and 414,684

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Solution

The third proportional to 190,899 and 414,684 is: 900,805.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,899 : 414,684 = 414,684 : x
  2. Step 2: Convert to fraction form
    190,899/414,684 = 414,684/x
  3. Step 3: Cross multiply
    190,899x = 414,684 × 414,684
  4. Step 4: Simplify right side
    190,899x = 171,962,819,856
  5. Step 5: Solve for x
    x = 171,962,819,856/190,899
  6. Step 6: Final answer
    x = 900,805.24

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.