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Finding the Third Proportional to 655,122 and 1,388,977

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Solution

The third proportional to 655,122 and 1,388,977 is: 2,944,882.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,122 : 1,388,977 = 1,388,977 : x
  2. Step 2: Convert to fraction form
    655,122/1,388,977 = 1,388,977/x
  3. Step 3: Cross multiply
    655,122x = 1,388,977 × 1,388,977
  4. Step 4: Simplify right side
    655,122x = 1,929,257,106,529
  5. Step 5: Solve for x
    x = 1,929,257,106,529/655,122
  6. Step 6: Final answer
    x = 2,944,882.18

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.