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Finding the Third Proportional to 9,556,380 and 20,792,372

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Solution

The third proportional to 9,556,380 and 20,792,372 is: 45,239,173.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,556,380 : 20,792,372 = 20,792,372 : x
  2. Step 2: Convert to fraction form
    9,556,380/20,792,372 = 20,792,372/x
  3. Step 3: Cross multiply
    9,556,380x = 20,792,372 × 20,792,372
  4. Step 4: Simplify right side
    9,556,380x = 432,322,733,386,384
  5. Step 5: Solve for x
    x = 432,322,733,386,384/9,556,380
  6. Step 6: Final answer
    x = 45,239,173.56

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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.