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Finding the Third Proportional to 20,173,862 and 43,776,940

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Solution

The third proportional to 20,173,862 and 43,776,940 is: 94,995,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173,862 : 43,776,940 = 43,776,940 : x
  2. Step 2: Convert to fraction form
    20,173,862/43,776,940 = 43,776,940/x
  3. Step 3: Cross multiply
    20,173,862x = 43,776,940 × 43,776,940
  4. Step 4: Simplify right side
    20,173,862x = 1,916,420,475,763,600
  5. Step 5: Solve for x
    x = 1,916,420,475,763,600/20,173,862
  6. Step 6: Final answer
    x = 94,995,220.83

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.