Home / 31,142,824.88-68,150,645.44

Finding the Third Proportional to 31,142,824.88 and 68,150,645.44

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Solution

The third proportional to 31,142,824.88 and 68,150,645.44 is: 149,135,811.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,142,824.88 : 68,150,645.44 = 68,150,645.44 : x
  2. Step 2: Convert to fraction form
    31,142,824.88/68,150,645.44 = 68,150,645.44/x
  3. Step 3: Cross multiply
    31,142,824.88x = 68,150,645.44 × 68,150,645.44
  4. Step 4: Simplify right side
    31,142,824.88x = 4,644,510,473,547,840
  5. Step 5: Solve for x
    x = 4,644,510,473,547,840/31,142,824.88
  6. Step 6: Final answer
    x = 149,135,811.93

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.