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Finding the Third Proportional to 115,968 and 177,696

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Solution

The third proportional to 115,968 and 177,696 is: 272,280.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,968 : 177,696 = 177,696 : x
  2. Step 2: Convert to fraction form
    115,968/177,696 = 177,696/x
  3. Step 3: Cross multiply
    115,968x = 177,696 × 177,696
  4. Step 4: Simplify right side
    115,968x = 31,575,868,416
  5. Step 5: Solve for x
    x = 31,575,868,416/115,968
  6. Step 6: Final answer
    x = 272,280.87

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.