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Finding the Third Proportional to 248,256 and 383,616

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Solution

The third proportional to 248,256 and 383,616 is: 592,780.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,256 : 383,616 = 383,616 : x
  2. Step 2: Convert to fraction form
    248,256/383,616 = 383,616/x
  3. Step 3: Cross multiply
    248,256x = 383,616 × 383,616
  4. Step 4: Simplify right side
    248,256x = 147,161,235,456
  5. Step 5: Solve for x
    x = 147,161,235,456/248,256
  6. Step 6: Final answer
    x = 592,780.18

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.