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Finding the Third Proportional to 9,351,562 and 20,147,732

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Solution

The third proportional to 9,351,562 and 20,147,732 is: 43,407,839.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351,562 : 20,147,732 = 20,147,732 : x
  2. Step 2: Convert to fraction form
    9,351,562/20,147,732 = 20,147,732/x
  3. Step 3: Cross multiply
    9,351,562x = 20,147,732 × 20,147,732
  4. Step 4: Simplify right side
    9,351,562x = 405,931,104,743,824
  5. Step 5: Solve for x
    x = 405,931,104,743,824/9,351,562
  6. Step 6: Final answer
    x = 43,407,839.75

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.