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Finding the Third Proportional to 408,936 and 880,362

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Solution

The third proportional to 408,936 and 880,362 is: 1,895,253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,936 : 880,362 = 880,362 : x
  2. Step 2: Convert to fraction form
    408,936/880,362 = 880,362/x
  3. Step 3: Cross multiply
    408,936x = 880,362 × 880,362
  4. Step 4: Simplify right side
    408,936x = 775,037,251,044
  5. Step 5: Solve for x
    x = 775,037,251,044/408,936
  6. Step 6: Final answer
    x = 1,895,253.17

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.