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Finding the Third Proportional to 20,213,268 and 31,100,612

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Solution

The third proportional to 20,213,268 and 31,100,612 is: 47,852,136.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213,268 : 31,100,612 = 31,100,612 : x
  2. Step 2: Convert to fraction form
    20,213,268/31,100,612 = 31,100,612/x
  3. Step 3: Cross multiply
    20,213,268x = 31,100,612 × 31,100,612
  4. Step 4: Simplify right side
    20,213,268x = 967,248,066,774,544
  5. Step 5: Solve for x
    x = 967,248,066,774,544/20,213,268
  6. Step 6: Final answer
    x = 47,852,136.86

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.