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Finding the Third Proportional to 19,394,216 and 42,193,536

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Solution

The third proportional to 19,394,216 and 42,193,536 is: 91,795,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,394,216 : 42,193,536 = 42,193,536 : x
  2. Step 2: Convert to fraction form
    19,394,216/42,193,536 = 42,193,536/x
  3. Step 3: Cross multiply
    19,394,216x = 42,193,536 × 42,193,536
  4. Step 4: Simplify right side
    19,394,216x = 1,780,294,480,183,296
  5. Step 5: Solve for x
    x = 1,780,294,480,183,296/19,394,216
  6. Step 6: Final answer
    x = 91,795,124.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.