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Finding the Third Proportional to 171,360 and 256,031

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Solution

The third proportional to 171,360 and 256,031 is: 382,538.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,360 : 256,031 = 256,031 : x
  2. Step 2: Convert to fraction form
    171,360/256,031 = 256,031/x
  3. Step 3: Cross multiply
    171,360x = 256,031 × 256,031
  4. Step 4: Simplify right side
    171,360x = 65,551,872,961
  5. Step 5: Solve for x
    x = 65,551,872,961/171,360
  6. Step 6: Final answer
    x = 382,538.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.