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Finding the Third Proportional to 118,616.06 and 255,916.69

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Solution

The third proportional to 118,616.06 and 255,916.69 is: 552,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,616.06 : 255,916.69 = 255,916.69 : x
  2. Step 2: Convert to fraction form
    118,616.06/255,916.69 = 255,916.69/x
  3. Step 3: Cross multiply
    118,616.06x = 255,916.69 × 255,916.69
  4. Step 4: Simplify right side
    118,616.06x = 65,493,350,940.97
  5. Step 5: Solve for x
    x = 65,493,350,940.97/118,616.06
  6. Step 6: Final answer
    x = 552,145.72

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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.