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Finding the Third Proportional to 170,434.13 and 255,651.19

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Solution

The third proportional to 170,434.13 and 255,651.19 is: 383,476.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,434.13 : 255,651.19 = 255,651.19 : x
  2. Step 2: Convert to fraction form
    170,434.13/255,651.19 = 255,651.19/x
  3. Step 3: Cross multiply
    170,434.13x = 255,651.19 × 255,651.19
  4. Step 4: Simplify right side
    170,434.13x = 65,357,529,670.16
  5. Step 5: Solve for x
    x = 65,357,529,670.16/170,434.13
  6. Step 6: Final answer
    x = 383,476.78

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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.