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Finding the Third Proportional to 10,294,488 and 20,330,608

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Solution

The third proportional to 10,294,488 and 20,330,608 is: 40,150,964.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,294,488 : 20,330,608 = 20,330,608 : x
  2. Step 2: Convert to fraction form
    10,294,488/20,330,608 = 20,330,608/x
  3. Step 3: Cross multiply
    10,294,488x = 20,330,608 × 20,330,608
  4. Step 4: Simplify right side
    10,294,488x = 413,333,621,649,664
  5. Step 5: Solve for x
    x = 413,333,621,649,664/10,294,488
  6. Step 6: Final answer
    x = 40,150,964.44

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.