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Finding the Third Proportional to 188,295 and 413,905

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Solution

The third proportional to 188,295 and 413,905 is: 909,834.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,295 : 413,905 = 413,905 : x
  2. Step 2: Convert to fraction form
    188,295/413,905 = 413,905/x
  3. Step 3: Cross multiply
    188,295x = 413,905 × 413,905
  4. Step 4: Simplify right side
    188,295x = 171,317,349,025
  5. Step 5: Solve for x
    x = 171,317,349,025/188,295
  6. Step 6: Final answer
    x = 909,834.83

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.