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Finding the Third Proportional to 20,626,920 and 43,712,622

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Solution

The third proportional to 20,626,920 and 43,712,622 is: 92,635,901.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626,920 : 43,712,622 = 43,712,622 : x
  2. Step 2: Convert to fraction form
    20,626,920/43,712,622 = 43,712,622/x
  3. Step 3: Cross multiply
    20,626,920x = 43,712,622 × 43,712,622
  4. Step 4: Simplify right side
    20,626,920x = 1,910,793,322,114,884
  5. Step 5: Solve for x
    x = 1,910,793,322,114,884/20,626,920
  6. Step 6: Final answer
    x = 92,635,901.15

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.