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Finding the Third Proportional to 98,149,590 and 206,452,644

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Solution

The third proportional to 98,149,590 and 206,452,644 is: 434,262,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,149,590 : 206,452,644 = 206,452,644 : x
  2. Step 2: Convert to fraction form
    98,149,590/206,452,644 = 206,452,644/x
  3. Step 3: Cross multiply
    98,149,590x = 206,452,644 × 206,452,644
  4. Step 4: Simplify right side
    98,149,590x = 42,622,694,214,590,736
  5. Step 5: Solve for x
    x = 42,622,694,214,590,736/98,149,590
  6. Step 6: Final answer
    x = 434,262,580.36

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.