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Finding the Third Proportional to 13,311,185 and 19,021,993

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Solution

The third proportional to 13,311,185 and 19,021,993 is: 27,182,870.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311,185 : 19,021,993 = 19,021,993 : x
  2. Step 2: Convert to fraction form
    13,311,185/19,021,993 = 19,021,993/x
  3. Step 3: Cross multiply
    13,311,185x = 19,021,993 × 19,021,993
  4. Step 4: Simplify right side
    13,311,185x = 361,836,217,692,049
  5. Step 5: Solve for x
    x = 361,836,217,692,049/13,311,185
  6. Step 6: Final answer
    x = 27,182,870.47

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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.