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Finding the Third Proportional to 171,656 and 256,508

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Solution

The third proportional to 171,656 and 256,508 is: 383,303.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,656 : 256,508 = 256,508 : x
  2. Step 2: Convert to fraction form
    171,656/256,508 = 256,508/x
  3. Step 3: Cross multiply
    171,656x = 256,508 × 256,508
  4. Step 4: Simplify right side
    171,656x = 65,796,354,064
  5. Step 5: Solve for x
    x = 65,796,354,064/171,656
  6. Step 6: Final answer
    x = 383,303.55

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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.