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Finding the Third Proportional to 190,737 and 414,247

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Solution

The third proportional to 190,737 and 414,247 is: 899,671.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,737 : 414,247 = 414,247 : x
  2. Step 2: Convert to fraction form
    190,737/414,247 = 414,247/x
  3. Step 3: Cross multiply
    190,737x = 414,247 × 414,247
  4. Step 4: Simplify right side
    190,737x = 171,600,577,009
  5. Step 5: Solve for x
    x = 171,600,577,009/190,737
  6. Step 6: Final answer
    x = 899,671.15

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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.