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Finding the Third Proportional to 20,960,873 and 45,831,939

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Solution

The third proportional to 20,960,873 and 45,831,939 is: 100,213,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,960,873 : 45,831,939 = 45,831,939 : x
  2. Step 2: Convert to fraction form
    20,960,873/45,831,939 = 45,831,939/x
  3. Step 3: Cross multiply
    20,960,873x = 45,831,939 × 45,831,939
  4. Step 4: Simplify right side
    20,960,873x = 2,100,566,632,499,721
  5. Step 5: Solve for x
    x = 2,100,566,632,499,721/20,960,873
  6. Step 6: Final answer
    x = 100,213,699.71

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.