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Finding the Third Proportional to 4,560,957 and 9,915,777

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Solution

The third proportional to 4,560,957 and 9,915,777 is: 21,557,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,560,957 : 9,915,777 = 9,915,777 : x
  2. Step 2: Convert to fraction form
    4,560,957/9,915,777 = 9,915,777/x
  3. Step 3: Cross multiply
    4,560,957x = 9,915,777 × 9,915,777
  4. Step 4: Simplify right side
    4,560,957x = 98,322,633,513,729
  5. Step 5: Solve for x
    x = 98,322,633,513,729/4,560,957
  6. Step 6: Final answer
    x = 21,557,456.80

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.