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Finding the Third Proportional to 21,228,247 and 46,299,406

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Solution

The third proportional to 21,228,247 and 46,299,406 is: 100,980,311.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,228,247 : 46,299,406 = 46,299,406 : x
  2. Step 2: Convert to fraction form
    21,228,247/46,299,406 = 46,299,406/x
  3. Step 3: Cross multiply
    21,228,247x = 46,299,406 × 46,299,406
  4. Step 4: Simplify right side
    21,228,247x = 2,143,634,995,952,836
  5. Step 5: Solve for x
    x = 2,143,634,995,952,836/21,228,247
  6. Step 6: Final answer
    x = 100,980,311.56

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.