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Finding the Third Proportional to 19,438,224 and 41,993,472

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Solution

The third proportional to 19,438,224 and 41,993,472 is: 90,720,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438,224 : 41,993,472 = 41,993,472 : x
  2. Step 2: Convert to fraction form
    19,438,224/41,993,472 = 41,993,472/x
  3. Step 3: Cross multiply
    19,438,224x = 41,993,472 × 41,993,472
  4. Step 4: Simplify right side
    19,438,224x = 1,763,451,690,614,784
  5. Step 5: Solve for x
    x = 1,763,451,690,614,784/19,438,224
  6. Step 6: Final answer
    x = 90,720,823.60

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.