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Finding the Third Proportional to 9,289,932 and 20,074,542

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Solution

The third proportional to 9,289,932 and 20,074,542 is: 43,378,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289,932 : 20,074,542 = 20,074,542 : x
  2. Step 2: Convert to fraction form
    9,289,932/20,074,542 = 20,074,542/x
  3. Step 3: Cross multiply
    9,289,932x = 20,074,542 × 20,074,542
  4. Step 4: Simplify right side
    9,289,932x = 402,987,236,509,764
  5. Step 5: Solve for x
    x = 402,987,236,509,764/9,289,932
  6. Step 6: Final answer
    x = 43,378,922.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.