Home / 31,685,815.50-66,776,175.75

Finding the Third Proportional to 31,685,815.50 and 66,776,175.75

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Solution

The third proportional to 31,685,815.50 and 66,776,175.75 is: 140,727,249.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,685,815.50 : 66,776,175.75 = 66,776,175.75 : x
  2. Step 2: Convert to fraction form
    31,685,815.50/66,776,175.75 = 66,776,175.75/x
  3. Step 3: Cross multiply
    31,685,815.50x = 66,776,175.75 × 66,776,175.75
  4. Step 4: Simplify right side
    31,685,815.50x = 4,459,057,647,794,888
  5. Step 5: Solve for x
    x = 4,459,057,647,794,888/31,685,815.50
  6. Step 6: Final answer
    x = 140,727,249.00

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.