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Finding the Third Proportional to 19,255,112 and 42,289,568

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Solution

The third proportional to 19,255,112 and 42,289,568 is: 92,879,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255,112 : 42,289,568 = 42,289,568 : x
  2. Step 2: Convert to fraction form
    19,255,112/42,289,568 = 42,289,568/x
  3. Step 3: Cross multiply
    19,255,112x = 42,289,568 × 42,289,568
  4. Step 4: Simplify right side
    19,255,112x = 1,788,407,561,626,624
  5. Step 5: Solve for x
    x = 1,788,407,561,626,624/19,255,112
  6. Step 6: Final answer
    x = 92,879,623.95

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.