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Finding the Third Proportional to 12,321,222 and 19,153,782

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Solution

The third proportional to 12,321,222 and 19,153,782 is: 29,775,241.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,321,222 : 19,153,782 = 19,153,782 : x
  2. Step 2: Convert to fraction form
    12,321,222/19,153,782 = 19,153,782/x
  3. Step 3: Cross multiply
    12,321,222x = 19,153,782 × 19,153,782
  4. Step 4: Simplify right side
    12,321,222x = 366,867,364,903,524
  5. Step 5: Solve for x
    x = 366,867,364,903,524/12,321,222
  6. Step 6: Final answer
    x = 29,775,241.85

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.