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Finding the Third Proportional to 8,977,804.50 and 13,929,849

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Solution

The third proportional to 8,977,804.50 and 13,929,849 is: 21,613,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977,804.50 : 13,929,849 = 13,929,849 : x
  2. Step 2: Convert to fraction form
    8,977,804.50/13,929,849 = 13,929,849/x
  3. Step 3: Cross multiply
    8,977,804.50x = 13,929,849 × 13,929,849
  4. Step 4: Simplify right side
    8,977,804.50x = 194,040,693,162,801
  5. Step 5: Solve for x
    x = 194,040,693,162,801/8,977,804.50
  6. Step 6: Final answer
    x = 21,613,379.21

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.