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Finding the Third Proportional to 12,698,264 and 19,161,876

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Solution

The third proportional to 12,698,264 and 19,161,876 is: 28,915,566.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698,264 : 19,161,876 = 19,161,876 : x
  2. Step 2: Convert to fraction form
    12,698,264/19,161,876 = 19,161,876/x
  3. Step 3: Cross multiply
    12,698,264x = 19,161,876 × 19,161,876
  4. Step 4: Simplify right side
    12,698,264x = 367,177,491,839,376
  5. Step 5: Solve for x
    x = 367,177,491,839,376/12,698,264
  6. Step 6: Final answer
    x = 28,915,566.08

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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.