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Finding the Third Proportional to 20,993,934 and 31,381,604

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Solution

The third proportional to 20,993,934 and 31,381,604 is: 46,909,029.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,993,934 : 31,381,604 = 31,381,604 : x
  2. Step 2: Convert to fraction form
    20,993,934/31,381,604 = 31,381,604/x
  3. Step 3: Cross multiply
    20,993,934x = 31,381,604 × 31,381,604
  4. Step 4: Simplify right side
    20,993,934x = 984,805,069,612,816
  5. Step 5: Solve for x
    x = 984,805,069,612,816/20,993,934
  6. Step 6: Final answer
    x = 46,909,029.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.