Home / 82,469,761.50-121,008,606.75

Finding the Third Proportional to 82,469,761.50 and 121,008,606.75

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Solution

The third proportional to 82,469,761.50 and 121,008,606.75 is: 177,556,993.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,469,761.50 : 121,008,606.75 = 121,008,606.75 : x
  2. Step 2: Convert to fraction form
    82,469,761.50/121,008,606.75 = 121,008,606.75/x
  3. Step 3: Cross multiply
    82,469,761.50x = 121,008,606.75 × 121,008,606.75
  4. Step 4: Simplify right side
    82,469,761.50x = 14,643,082,907,576,146
  5. Step 5: Solve for x
    x = 14,643,082,907,576,146/82,469,761.50
  6. Step 6: Final answer
    x = 177,556,993.51

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.