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Finding the Third Proportional to 13,311,186 and 19,021,995

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Solution

The third proportional to 13,311,186 and 19,021,995 is: 27,182,874.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311,186 : 19,021,995 = 19,021,995 : x
  2. Step 2: Convert to fraction form
    13,311,186/19,021,995 = 19,021,995/x
  3. Step 3: Cross multiply
    13,311,186x = 19,021,995 × 19,021,995
  4. Step 4: Simplify right side
    13,311,186x = 361,836,293,780,025
  5. Step 5: Solve for x
    x = 361,836,293,780,025/13,311,186
  6. Step 6: Final answer
    x = 27,182,874.15

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.