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Finding the Third Proportional to 117,152 and 255,512

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Solution

The third proportional to 117,152 and 255,512 is: 557,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,152 : 255,512 = 255,512 : x
  2. Step 2: Convert to fraction form
    117,152/255,512 = 255,512/x
  3. Step 3: Cross multiply
    117,152x = 255,512 × 255,512
  4. Step 4: Simplify right side
    117,152x = 65,286,382,144
  5. Step 5: Solve for x
    x = 65,286,382,144/117,152
  6. Step 6: Final answer
    x = 557,279.28

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.