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Finding the Third Proportional to 7,917,160 and 13,101,918

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Solution

The third proportional to 7,917,160 and 13,101,918 is: 21,682,049.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917,160 : 13,101,918 = 13,101,918 : x
  2. Step 2: Convert to fraction form
    7,917,160/13,101,918 = 13,101,918/x
  3. Step 3: Cross multiply
    7,917,160x = 13,101,918 × 13,101,918
  4. Step 4: Simplify right side
    7,917,160x = 171,660,255,278,724
  5. Step 5: Solve for x
    x = 171,660,255,278,724/7,917,160
  6. Step 6: Final answer
    x = 21,682,049.53

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.