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Finding the Third Proportional to 188,901 and 411,039

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Solution

The third proportional to 188,901 and 411,039 is: 894,400.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,901 : 411,039 = 411,039 : x
  2. Step 2: Convert to fraction form
    188,901/411,039 = 411,039/x
  3. Step 3: Cross multiply
    188,901x = 411,039 × 411,039
  4. Step 4: Simplify right side
    188,901x = 168,953,059,521
  5. Step 5: Solve for x
    x = 168,953,059,521/188,901
  6. Step 6: Final answer
    x = 894,400.03

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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.