Home / 128,955,708.28-283,245,043.22

Finding the Third Proportional to 128,955,708.28 and 283,245,043.22

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Solution

The third proportional to 128,955,708.28 and 283,245,043.22 is: 622,134,185.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,955,708.28 : 283,245,043.22 = 283,245,043.22 : x
  2. Step 2: Convert to fraction form
    128,955,708.28/283,245,043.22 = 283,245,043.22/x
  3. Step 3: Cross multiply
    128,955,708.28x = 283,245,043.22 × 283,245,043.22
  4. Step 4: Simplify right side
    128,955,708.28x = 80,227,754,507,991,552
  5. Step 5: Solve for x
    x = 80,227,754,507,991,552/128,955,708.28
  6. Step 6: Final answer
    x = 622,134,185.27

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.