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Finding the Third Proportional to 118,254 and 256,176

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Solution

The third proportional to 118,254 and 256,176 is: 554,959.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,254 : 256,176 = 256,176 : x
  2. Step 2: Convert to fraction form
    118,254/256,176 = 256,176/x
  3. Step 3: Cross multiply
    118,254x = 256,176 × 256,176
  4. Step 4: Simplify right side
    118,254x = 65,626,142,976
  5. Step 5: Solve for x
    x = 65,626,142,976/118,254
  6. Step 6: Final answer
    x = 554,959.18

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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.