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Finding the Third Proportional to 251,802 and 384,264

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Solution

The third proportional to 251,802 and 384,264 is: 586,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,802 : 384,264 = 384,264 : x
  2. Step 2: Convert to fraction form
    251,802/384,264 = 384,264/x
  3. Step 3: Cross multiply
    251,802x = 384,264 × 384,264
  4. Step 4: Simplify right side
    251,802x = 147,658,821,696
  5. Step 5: Solve for x
    x = 147,658,821,696/251,802
  6. Step 6: Final answer
    x = 586,408.45

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.