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Finding the Third Proportional to 42,246,077 and 90,555,331

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Solution

The third proportional to 42,246,077 and 90,555,331 is: 194,107,206.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,246,077 : 90,555,331 = 90,555,331 : x
  2. Step 2: Convert to fraction form
    42,246,077/90,555,331 = 90,555,331/x
  3. Step 3: Cross multiply
    42,246,077x = 90,555,331 × 90,555,331
  4. Step 4: Simplify right side
    42,246,077x = 8,200,267,972,519,561
  5. Step 5: Solve for x
    x = 8,200,267,972,519,561/42,246,077
  6. Step 6: Final answer
    x = 194,107,206.04

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.