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Finding the Third Proportional to 17,992,813 and 39,180,266

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Solution

The third proportional to 17,992,813 and 39,180,266 is: 85,317,023.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992,813 : 39,180,266 = 39,180,266 : x
  2. Step 2: Convert to fraction form
    17,992,813/39,180,266 = 39,180,266/x
  3. Step 3: Cross multiply
    17,992,813x = 39,180,266 × 39,180,266
  4. Step 4: Simplify right side
    17,992,813x = 1,535,093,243,830,756
  5. Step 5: Solve for x
    x = 1,535,093,243,830,756/17,992,813
  6. Step 6: Final answer
    x = 85,317,023.18

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.