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Finding the Third Proportional to 118,524 and 256,722

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Solution

The third proportional to 118,524 and 256,722 is: 556,057.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,524 : 256,722 = 256,722 : x
  2. Step 2: Convert to fraction form
    118,524/256,722 = 256,722/x
  3. Step 3: Cross multiply
    118,524x = 256,722 × 256,722
  4. Step 4: Simplify right side
    118,524x = 65,906,185,284
  5. Step 5: Solve for x
    x = 65,906,185,284/118,524
  6. Step 6: Final answer
    x = 556,057.72

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.