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Finding the Third Proportional to 20,289,374 and 41,287,322

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Solution

The third proportional to 20,289,374 and 41,287,322 is: 84,016,537.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,289,374 : 41,287,322 = 41,287,322 : x
  2. Step 2: Convert to fraction form
    20,289,374/41,287,322 = 41,287,322/x
  3. Step 3: Cross multiply
    20,289,374x = 41,287,322 × 41,287,322
  4. Step 4: Simplify right side
    20,289,374x = 1,704,642,957,931,684
  5. Step 5: Solve for x
    x = 1,704,642,957,931,684/20,289,374
  6. Step 6: Final answer
    x = 84,016,537.82

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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.