Home / 61,686,415.69-135,480,321.56

Finding the Third Proportional to 61,686,415.69 and 135,480,321.56

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Solution

The third proportional to 61,686,415.69 and 135,480,321.56 is: 297,552,018.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,686,415.69 : 135,480,321.56 = 135,480,321.56 : x
  2. Step 2: Convert to fraction form
    61,686,415.69/135,480,321.56 = 135,480,321.56/x
  3. Step 3: Cross multiply
    61,686,415.69x = 135,480,321.56 × 135,480,321.56
  4. Step 4: Simplify right side
    61,686,415.69x = 18,354,917,530,678,404
  5. Step 5: Solve for x
    x = 18,354,917,530,678,404/61,686,415.69
  6. Step 6: Final answer
    x = 297,552,018.97

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.