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Finding the Third Proportional to 8,443,280 and 19,911,668

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Solution

The third proportional to 8,443,280 and 19,911,668 is: 46,957,405.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443,280 : 19,911,668 = 19,911,668 : x
  2. Step 2: Convert to fraction form
    8,443,280/19,911,668 = 19,911,668/x
  3. Step 3: Cross multiply
    8,443,280x = 19,911,668 × 19,911,668
  4. Step 4: Simplify right side
    8,443,280x = 396,474,522,542,224
  5. Step 5: Solve for x
    x = 396,474,522,542,224/8,443,280
  6. Step 6: Final answer
    x = 46,957,405.48

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.