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Finding the Third Proportional to 118,696 and 178,548

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Solution

The third proportional to 118,696 and 178,548 is: 268,580.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,696 : 178,548 = 178,548 : x
  2. Step 2: Convert to fraction form
    118,696/178,548 = 178,548/x
  3. Step 3: Cross multiply
    118,696x = 178,548 × 178,548
  4. Step 4: Simplify right side
    118,696x = 31,879,388,304
  5. Step 5: Solve for x
    x = 31,879,388,304/118,696
  6. Step 6: Final answer
    x = 268,580.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.