Home / 30,681,379.13-68,173,228.13

Finding the Third Proportional to 30,681,379.13 and 68,173,228.13

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Solution

The third proportional to 30,681,379.13 and 68,173,228.13 is: 151,479,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,681,379.13 : 68,173,228.13 = 68,173,228.13 : x
  2. Step 2: Convert to fraction form
    30,681,379.13/68,173,228.13 = 68,173,228.13/x
  3. Step 3: Cross multiply
    30,681,379.13x = 68,173,228.13 × 68,173,228.13
  4. Step 4: Simplify right side
    30,681,379.13x = 4,647,589,032,983,291
  5. Step 5: Solve for x
    x = 4,647,589,032,983,291/30,681,379.13
  6. Step 6: Final answer
    x = 151,479,143.56

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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.