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Finding the Third Proportional to 490,780 and 733,238

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Solution

The third proportional to 490,780 and 733,238 is: 1,095,476.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,780 : 733,238 = 733,238 : x
  2. Step 2: Convert to fraction form
    490,780/733,238 = 733,238/x
  3. Step 3: Cross multiply
    490,780x = 733,238 × 733,238
  4. Step 4: Simplify right side
    490,780x = 537,637,964,644
  5. Step 5: Solve for x
    x = 537,637,964,644/490,780
  6. Step 6: Final answer
    x = 1,095,476.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.