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Finding the Third Proportional to 170,480.63 and 255,720.88

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Solution

The third proportional to 170,480.63 and 255,720.88 is: 383,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,480.63 : 255,720.88 = 255,720.88 : x
  2. Step 2: Convert to fraction form
    170,480.63/255,720.88 = 255,720.88/x
  3. Step 3: Cross multiply
    170,480.63x = 255,720.88 × 255,720.88
  4. Step 4: Simplify right side
    170,480.63x = 65,393,165,910.77
  5. Step 5: Solve for x
    x = 65,393,165,910.77/170,480.63
  6. Step 6: Final answer
    x = 383,581.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.