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Finding the Third Proportional to 361,158,930 and 550,188,315

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Solution

The third proportional to 361,158,930 and 550,188,315 is: 838,155,052.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,158,930 : 550,188,315 = 550,188,315 : x
  2. Step 2: Convert to fraction form
    361,158,930/550,188,315 = 550,188,315/x
  3. Step 3: Cross multiply
    361,158,930x = 550,188,315 × 550,188,315
  4. Step 4: Simplify right side
    361,158,930x = 302,707,181,962,539,200
  5. Step 5: Solve for x
    x = 302,707,181,962,539,200/361,158,930
  6. Step 6: Final answer
    x = 838,155,052.58

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.