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Finding the Third Proportional to 126,399,986 and 188,771,691

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Solution

The third proportional to 126,399,986 and 188,771,691 is: 281,920,532.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,399,986 : 188,771,691 = 188,771,691 : x
  2. Step 2: Convert to fraction form
    126,399,986/188,771,691 = 188,771,691/x
  3. Step 3: Cross multiply
    126,399,986x = 188,771,691 × 188,771,691
  4. Step 4: Simplify right side
    126,399,986x = 35,634,751,322,999,480
  5. Step 5: Solve for x
    x = 35,634,751,322,999,480/126,399,986
  6. Step 6: Final answer
    x = 281,920,532.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.