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Finding the Third Proportional to 11,415,423 and 17,219,901

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Solution

The third proportional to 11,415,423 and 17,219,901 is: 25,975,821.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415,423 : 17,219,901 = 17,219,901 : x
  2. Step 2: Convert to fraction form
    11,415,423/17,219,901 = 17,219,901/x
  3. Step 3: Cross multiply
    11,415,423x = 17,219,901 × 17,219,901
  4. Step 4: Simplify right side
    11,415,423x = 296,524,990,449,801
  5. Step 5: Solve for x
    x = 296,524,990,449,801/11,415,423
  6. Step 6: Final answer
    x = 25,975,821.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.