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Finding the Third Proportional to 11,945,439 and 18,446,237

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Solution

The third proportional to 11,945,439 and 18,446,237 is: 28,484,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945,439 : 18,446,237 = 18,446,237 : x
  2. Step 2: Convert to fraction form
    11,945,439/18,446,237 = 18,446,237/x
  3. Step 3: Cross multiply
    11,945,439x = 18,446,237 × 18,446,237
  4. Step 4: Simplify right side
    11,945,439x = 340,263,659,460,169
  5. Step 5: Solve for x
    x = 340,263,659,460,169/11,945,439
  6. Step 6: Final answer
    x = 28,484,818.30

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.