Home / 8,120,789.47-18,057,257.38

Finding the Third Proportional to 8,120,789.47 and 18,057,257.38

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Solution

The third proportional to 8,120,789.47 and 18,057,257.38 is: 40,151,828.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120,789.47 : 18,057,257.38 = 18,057,257.38 : x
  2. Step 2: Convert to fraction form
    8,120,789.47/18,057,257.38 = 18,057,257.38/x
  3. Step 3: Cross multiply
    8,120,789.47x = 18,057,257.38 × 18,057,257.38
  4. Step 4: Simplify right side
    8,120,789.47x = 326,064,544,259,686.31
  5. Step 5: Solve for x
    x = 326,064,544,259,686.31/8,120,789.47
  6. Step 6: Final answer
    x = 40,151,828.26

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.