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Finding the Third Proportional to 9,166,518 and 20,163,474

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Solution

The third proportional to 9,166,518 and 20,163,474 is: 44,353,339.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,166,518 : 20,163,474 = 20,163,474 : x
  2. Step 2: Convert to fraction form
    9,166,518/20,163,474 = 20,163,474/x
  3. Step 3: Cross multiply
    9,166,518x = 20,163,474 × 20,163,474
  4. Step 4: Simplify right side
    9,166,518x = 406,565,683,748,676
  5. Step 5: Solve for x
    x = 406,565,683,748,676/9,166,518
  6. Step 6: Final answer
    x = 44,353,339.38

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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.