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Finding the Third Proportional to 17,911,486 and 38,863,995

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Solution

The third proportional to 17,911,486 and 38,863,995 is: 84,326,342.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911,486 : 38,863,995 = 38,863,995 : x
  2. Step 2: Convert to fraction form
    17,911,486/38,863,995 = 38,863,995/x
  3. Step 3: Cross multiply
    17,911,486x = 38,863,995 × 38,863,995
  4. Step 4: Simplify right side
    17,911,486x = 1,510,410,107,360,025
  5. Step 5: Solve for x
    x = 1,510,410,107,360,025/17,911,486
  6. Step 6: Final answer
    x = 84,326,342.74

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.