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Finding the Third Proportional to 166,888 and 258,250.50

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Solution

The third proportional to 166,888 and 258,250.50 is: 399,629.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,888 : 258,250.50 = 258,250.50 : x
  2. Step 2: Convert to fraction form
    166,888/258,250.50 = 258,250.50/x
  3. Step 3: Cross multiply
    166,888x = 258,250.50 × 258,250.50
  4. Step 4: Simplify right side
    166,888x = 66,693,320,750.25
  5. Step 5: Solve for x
    x = 66,693,320,750.25/166,888
  6. Step 6: Final answer
    x = 399,629.22

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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.