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Finding the Third Proportional to 216,336,265 and 440,317,986

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Solution

The third proportional to 216,336,265 and 440,317,986 is: 896,197,079.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,336,265 : 440,317,986 = 440,317,986 : x
  2. Step 2: Convert to fraction form
    216,336,265/440,317,986 = 440,317,986/x
  3. Step 3: Cross multiply
    216,336,265x = 440,317,986 × 440,317,986
  4. Step 4: Simplify right side
    216,336,265x = 193,879,928,795,096,192
  5. Step 5: Solve for x
    x = 193,879,928,795,096,192/216,336,265
  6. Step 6: Final answer
    x = 896,197,079.09

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.