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Finding the Third Proportional to 118,784 and 256,134

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Solution

The third proportional to 118,784 and 256,134 is: 552,301.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,784 : 256,134 = 256,134 : x
  2. Step 2: Convert to fraction form
    118,784/256,134 = 256,134/x
  3. Step 3: Cross multiply
    118,784x = 256,134 × 256,134
  4. Step 4: Simplify right side
    118,784x = 65,604,625,956
  5. Step 5: Solve for x
    x = 65,604,625,956/118,784
  6. Step 6: Final answer
    x = 552,301.88

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.