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Finding the Third Proportional to 190,476 and 414,816

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Solution

The third proportional to 190,476 and 414,816 is: 903,380.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,476 : 414,816 = 414,816 : x
  2. Step 2: Convert to fraction form
    190,476/414,816 = 414,816/x
  3. Step 3: Cross multiply
    190,476x = 414,816 × 414,816
  4. Step 4: Simplify right side
    190,476x = 172,072,313,856
  5. Step 5: Solve for x
    x = 172,072,313,856/190,476
  6. Step 6: Final answer
    x = 903,380.55

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.