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Finding the Third Proportional to 75,272 and 110,656

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Solution

The third proportional to 75,272 and 110,656 is: 162,673.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,272 : 110,656 = 110,656 : x
  2. Step 2: Convert to fraction form
    75,272/110,656 = 110,656/x
  3. Step 3: Cross multiply
    75,272x = 110,656 × 110,656
  4. Step 4: Simplify right side
    75,272x = 12,244,750,336
  5. Step 5: Solve for x
    x = 12,244,750,336/75,272
  6. Step 6: Final answer
    x = 162,673.38

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.