Home / 1,428,205,491-2,205,981,108

Finding the Third Proportional to 1,428,205,491 and 2,205,981,108

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Solution

The third proportional to 1,428,205,491 and 2,205,981,108 is: 3,407,319,660.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,205,491 : 2,205,981,108 = 2,205,981,108 : x
  2. Step 2: Convert to fraction form
    1,428,205,491/2,205,981,108 = 2,205,981,108/x
  3. Step 3: Cross multiply
    1,428,205,491x = 2,205,981,108 × 2,205,981,108
  4. Step 4: Simplify right side
    1,428,205,491x = 4,866,352,648,852,908,032
  5. Step 5: Solve for x
    x = 4,866,352,648,852,908,032/1,428,205,491
  6. Step 6: Final answer
    x = 3,407,319,660.59

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.