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Finding the Third Proportional to 60,696 and 128,925

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Solution

The third proportional to 60,696 and 128,925 is: 273,850.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,696 : 128,925 = 128,925 : x
  2. Step 2: Convert to fraction form
    60,696/128,925 = 128,925/x
  3. Step 3: Cross multiply
    60,696x = 128,925 × 128,925
  4. Step 4: Simplify right side
    60,696x = 16,621,655,625
  5. Step 5: Solve for x
    x = 16,621,655,625/60,696
  6. Step 6: Final answer
    x = 273,850.92

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.