Home / 31,366,910.81-68,314,407.75

Finding the Third Proportional to 31,366,910.81 and 68,314,407.75

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Solution

The third proportional to 31,366,910.81 and 68,314,407.75 is: 148,782,847.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,366,910.81 : 68,314,407.75 = 68,314,407.75 : x
  2. Step 2: Convert to fraction form
    31,366,910.81/68,314,407.75 = 68,314,407.75/x
  3. Step 3: Cross multiply
    31,366,910.81x = 68,314,407.75 × 68,314,407.75
  4. Step 4: Simplify right side
    31,366,910.81x = 4,666,858,306,233,260
  5. Step 5: Solve for x
    x = 4,666,858,306,233,260/31,366,910.81
  6. Step 6: Final answer
    x = 148,782,847.44

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.