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Finding the Third Proportional to 20,911,518 and 45,297,085

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Solution

The third proportional to 20,911,518 and 45,297,085 is: 98,119,414.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,911,518 : 45,297,085 = 45,297,085 : x
  2. Step 2: Convert to fraction form
    20,911,518/45,297,085 = 45,297,085/x
  3. Step 3: Cross multiply
    20,911,518x = 45,297,085 × 45,297,085
  4. Step 4: Simplify right side
    20,911,518x = 2,051,825,909,497,225
  5. Step 5: Solve for x
    x = 2,051,825,909,497,225/20,911,518
  6. Step 6: Final answer
    x = 98,119,414.84

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.