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Finding the Third Proportional to 117,153 and 256,734

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Solution

The third proportional to 117,153 and 256,734 is: 562,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,153 : 256,734 = 256,734 : x
  2. Step 2: Convert to fraction form
    117,153/256,734 = 256,734/x
  3. Step 3: Cross multiply
    117,153x = 256,734 × 256,734
  4. Step 4: Simplify right side
    117,153x = 65,912,346,756
  5. Step 5: Solve for x
    x = 65,912,346,756/117,153
  6. Step 6: Final answer
    x = 562,617.66

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.