Home / 18,231,791.34-39,490,390.69

Finding the Third Proportional to 18,231,791.34 and 39,490,390.69

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Solution

The third proportional to 18,231,791.34 and 39,490,390.69 is: 85,536,902.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231,791.34 : 39,490,390.69 = 39,490,390.69 : x
  2. Step 2: Convert to fraction form
    18,231,791.34/39,490,390.69 = 39,490,390.69/x
  3. Step 3: Cross multiply
    18,231,791.34x = 39,490,390.69 × 39,490,390.69
  4. Step 4: Simplify right side
    18,231,791.34x = 1,559,490,956,651,386.75
  5. Step 5: Solve for x
    x = 1,559,490,956,651,386.75/18,231,791.34
  6. Step 6: Final answer
    x = 85,536,902.39

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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.