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Finding the Third Proportional to 189,350 and 414,912

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Solution

The third proportional to 189,350 and 414,912 is: 909,173.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,350 : 414,912 = 414,912 : x
  2. Step 2: Convert to fraction form
    189,350/414,912 = 414,912/x
  3. Step 3: Cross multiply
    189,350x = 414,912 × 414,912
  4. Step 4: Simplify right side
    189,350x = 172,151,967,744
  5. Step 5: Solve for x
    x = 172,151,967,744/189,350
  6. Step 6: Final answer
    x = 909,173.32

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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.