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Finding the Third Proportional to 13,311,182 and 19,021,989

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Solution

The third proportional to 13,311,182 and 19,021,989 is: 27,182,865.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311,182 : 19,021,989 = 19,021,989 : x
  2. Step 2: Convert to fraction form
    13,311,182/19,021,989 = 19,021,989/x
  3. Step 3: Cross multiply
    13,311,182x = 19,021,989 × 19,021,989
  4. Step 4: Simplify right side
    13,311,182x = 361,836,065,516,121
  5. Step 5: Solve for x
    x = 361,836,065,516,121/13,311,182
  6. Step 6: Final answer
    x = 27,182,865.17

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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.