Home / 135,162,619.25-209,384,643.88

Finding the Third Proportional to 135,162,619.25 and 209,384,643.88

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Solution

The third proportional to 135,162,619.25 and 209,384,643.88 is: 324,364,305.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,162,619.25 : 209,384,643.88 = 209,384,643.88 : x
  2. Step 2: Convert to fraction form
    135,162,619.25/209,384,643.88 = 209,384,643.88/x
  3. Step 3: Cross multiply
    135,162,619.25x = 209,384,643.88 × 209,384,643.88
  4. Step 4: Simplify right side
    135,162,619.25x = 43,841,929,090,660,576
  5. Step 5: Solve for x
    x = 43,841,929,090,660,576/135,162,619.25
  6. Step 6: Final answer
    x = 324,364,305.26

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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.