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Finding the Third Proportional to 117,741 and 256,497.75

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Solution

The third proportional to 117,741 and 256,497.75 is: 558,778.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,741 : 256,497.75 = 256,497.75 : x
  2. Step 2: Convert to fraction form
    117,741/256,497.75 = 256,497.75/x
  3. Step 3: Cross multiply
    117,741x = 256,497.75 × 256,497.75
  4. Step 4: Simplify right side
    117,741x = 65,791,095,755.06
  5. Step 5: Solve for x
    x = 65,791,095,755.06/117,741
  6. Step 6: Final answer
    x = 558,778.13

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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.