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Finding the Third Proportional to 13,124,962 and 20,542,317

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Solution

The third proportional to 13,124,962 and 20,542,317 is: 32,151,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124,962 : 20,542,317 = 20,542,317 : x
  2. Step 2: Convert to fraction form
    13,124,962/20,542,317 = 20,542,317/x
  3. Step 3: Cross multiply
    13,124,962x = 20,542,317 × 20,542,317
  4. Step 4: Simplify right side
    13,124,962x = 421,986,787,728,489
  5. Step 5: Solve for x
    x = 421,986,787,728,489/13,124,962
  6. Step 6: Final answer
    x = 32,151,467.39

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.