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Finding the Third Proportional to 170,582 and 255,225

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Solution

The third proportional to 170,582 and 255,225 is: 381,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,582 : 255,225 = 255,225 : x
  2. Step 2: Convert to fraction form
    170,582/255,225 = 255,225/x
  3. Step 3: Cross multiply
    170,582x = 255,225 × 255,225
  4. Step 4: Simplify right side
    170,582x = 65,139,800,625
  5. Step 5: Solve for x
    x = 65,139,800,625/170,582
  6. Step 6: Final answer
    x = 381,867.96

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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.