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Finding the Third Proportional to 11,255,400 and 17,439,120

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Solution

The third proportional to 11,255,400 and 17,439,120 is: 27,020,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255,400 : 17,439,120 = 17,439,120 : x
  2. Step 2: Convert to fraction form
    11,255,400/17,439,120 = 17,439,120/x
  3. Step 3: Cross multiply
    11,255,400x = 17,439,120 × 17,439,120
  4. Step 4: Simplify right side
    11,255,400x = 304,122,906,374,400
  5. Step 5: Solve for x
    x = 304,122,906,374,400/11,255,400
  6. Step 6: Final answer
    x = 27,020,177.55

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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.