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Finding the Third Proportional to 166,975.50 and 258,590.25

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Solution

The third proportional to 166,975.50 and 258,590.25 is: 400,471.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,975.50 : 258,590.25 = 258,590.25 : x
  2. Step 2: Convert to fraction form
    166,975.50/258,590.25 = 258,590.25/x
  3. Step 3: Cross multiply
    166,975.50x = 258,590.25 × 258,590.25
  4. Step 4: Simplify right side
    166,975.50x = 66,868,917,395.06
  5. Step 5: Solve for x
    x = 66,868,917,395.06/166,975.50
  6. Step 6: Final answer
    x = 400,471.43

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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.