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Finding the Third Proportional to 20,289,380 and 41,287,334

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Solution

The third proportional to 20,289,380 and 41,287,334 is: 84,016,561.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,289,380 : 41,287,334 = 41,287,334 : x
  2. Step 2: Convert to fraction form
    20,289,380/41,287,334 = 41,287,334/x
  3. Step 3: Cross multiply
    20,289,380x = 41,287,334 × 41,287,334
  4. Step 4: Simplify right side
    20,289,380x = 1,704,643,948,827,556
  5. Step 5: Solve for x
    x = 1,704,643,948,827,556/20,289,380
  6. Step 6: Final answer
    x = 84,016,561.81

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.