Home / 18,131,333.78-39,134,012.52

Finding the Third Proportional to 18,131,333.78 and 39,134,012.52

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Solution

The third proportional to 18,131,333.78 and 39,134,012.52 is: 84,465,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131,333.78 : 39,134,012.52 = 39,134,012.52 : x
  2. Step 2: Convert to fraction form
    18,131,333.78/39,134,012.52 = 39,134,012.52/x
  3. Step 3: Cross multiply
    18,131,333.78x = 39,134,012.52 × 39,134,012.52
  4. Step 4: Simplify right side
    18,131,333.78x = 1,531,470,935,878,887.50
  5. Step 5: Solve for x
    x = 1,531,470,935,878,887.50/18,131,333.78
  6. Step 6: Final answer
    x = 84,465,431.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.