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Finding the Third Proportional to 13,275,790 and 20,503,265

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Solution

The third proportional to 13,275,790 and 20,503,265 is: 31,665,450.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275,790 : 20,503,265 = 20,503,265 : x
  2. Step 2: Convert to fraction form
    13,275,790/20,503,265 = 20,503,265/x
  3. Step 3: Cross multiply
    13,275,790x = 20,503,265 × 20,503,265
  4. Step 4: Simplify right side
    13,275,790x = 420,383,875,660,225
  5. Step 5: Solve for x
    x = 420,383,875,660,225/13,275,790
  6. Step 6: Final answer
    x = 31,665,450.84

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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.