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Finding the Third Proportional to 79,272 and 118,656

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Solution

The third proportional to 79,272 and 118,656 is: 177,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,272 : 118,656 = 118,656 : x
  2. Step 2: Convert to fraction form
    79,272/118,656 = 118,656/x
  3. Step 3: Cross multiply
    79,272x = 118,656 × 118,656
  4. Step 4: Simplify right side
    79,272x = 14,079,246,336
  5. Step 5: Solve for x
    x = 14,079,246,336/79,272
  6. Step 6: Final answer
    x = 177,606.80

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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.