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Finding the Third Proportional to 188,866.69 and 414,946.13

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Solution

The third proportional to 188,866.69 and 414,946.13 is: 911,649.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,866.69 : 414,946.13 = 414,946.13 : x
  2. Step 2: Convert to fraction form
    188,866.69/414,946.13 = 414,946.13/x
  3. Step 3: Cross multiply
    188,866.69x = 414,946.13 × 414,946.13
  4. Step 4: Simplify right side
    188,866.69x = 172,180,286,652.52
  5. Step 5: Solve for x
    x = 172,180,286,652.52/188,866.69
  6. Step 6: Final answer
    x = 911,649.85

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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.