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Finding the Third Proportional to 167,901.75 and 253,470

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Solution

The third proportional to 167,901.75 and 253,470 is: 382,646.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,901.75 : 253,470 = 253,470 : x
  2. Step 2: Convert to fraction form
    167,901.75/253,470 = 253,470/x
  3. Step 3: Cross multiply
    167,901.75x = 253,470 × 253,470
  4. Step 4: Simplify right side
    167,901.75x = 64,247,040,900
  5. Step 5: Solve for x
    x = 64,247,040,900/167,901.75
  6. Step 6: Final answer
    x = 382,646.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.