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Finding the Third Proportional to 190,855 and 414,595

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Solution

The third proportional to 190,855 and 414,595 is: 900,626.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,855 : 414,595 = 414,595 : x
  2. Step 2: Convert to fraction form
    190,855/414,595 = 414,595/x
  3. Step 3: Cross multiply
    190,855x = 414,595 × 414,595
  4. Step 4: Simplify right side
    190,855x = 171,889,014,025
  5. Step 5: Solve for x
    x = 171,889,014,025/190,855
  6. Step 6: Final answer
    x = 900,626.20

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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.