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Finding the Third Proportional to 8,719,636 and 20,366,520

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Solution

The third proportional to 8,719,636 and 20,366,520 is: 47,570,235.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719,636 : 20,366,520 = 20,366,520 : x
  2. Step 2: Convert to fraction form
    8,719,636/20,366,520 = 20,366,520/x
  3. Step 3: Cross multiply
    8,719,636x = 20,366,520 × 20,366,520
  4. Step 4: Simplify right side
    8,719,636x = 414,795,136,910,400
  5. Step 5: Solve for x
    x = 414,795,136,910,400/8,719,636
  6. Step 6: Final answer
    x = 47,570,235.38

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.