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Finding the Third Proportional to 168,175.13 and 258,490.13

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Solution

The third proportional to 168,175.13 and 258,490.13 is: 397,306.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,175.13 : 258,490.13 = 258,490.13 : x
  2. Step 2: Convert to fraction form
    168,175.13/258,490.13 = 258,490.13/x
  3. Step 3: Cross multiply
    168,175.13x = 258,490.13 × 258,490.13
  4. Step 4: Simplify right side
    168,175.13x = 66,817,144,722.52
  5. Step 5: Solve for x
    x = 66,817,144,722.52/168,175.13
  6. Step 6: Final answer
    x = 397,306.94

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.