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Finding the Third Proportional to 15,815,266 and 34,530,494

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Solution

The third proportional to 15,815,266 and 34,530,494 is: 75,392,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815,266 : 34,530,494 = 34,530,494 : x
  2. Step 2: Convert to fraction form
    15,815,266/34,530,494 = 34,530,494/x
  3. Step 3: Cross multiply
    15,815,266x = 34,530,494 × 34,530,494
  4. Step 4: Simplify right side
    15,815,266x = 1,192,355,015,884,036
  5. Step 5: Solve for x
    x = 1,192,355,015,884,036/15,815,266
  6. Step 6: Final answer
    x = 75,392,662.75

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.