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Finding the Third Proportional to 167,090 and 258,551

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Solution

The third proportional to 167,090 and 258,551 is: 400,075.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,090 : 258,551 = 258,551 : x
  2. Step 2: Convert to fraction form
    167,090/258,551 = 258,551/x
  3. Step 3: Cross multiply
    167,090x = 258,551 × 258,551
  4. Step 4: Simplify right side
    167,090x = 66,848,619,601
  5. Step 5: Solve for x
    x = 66,848,619,601/167,090
  6. Step 6: Final answer
    x = 400,075.53

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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.