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Finding the Third Proportional to 655,043 and 1,388,815

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Solution

The third proportional to 655,043 and 1,388,815 is: 2,944,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,043 : 1,388,815 = 1,388,815 : x
  2. Step 2: Convert to fraction form
    655,043/1,388,815 = 1,388,815/x
  3. Step 3: Cross multiply
    655,043x = 1,388,815 × 1,388,815
  4. Step 4: Simplify right side
    655,043x = 1,928,807,104,225
  5. Step 5: Solve for x
    x = 1,928,807,104,225/655,043
  6. Step 6: Final answer
    x = 2,944,550.36

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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.