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Finding the Third Proportional to 18,477 and 35,253

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Solution

The third proportional to 18,477 and 35,253 is: 67,260.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477 : 35,253 = 35,253 : x
  2. Step 2: Convert to fraction form
    18,477/35,253 = 35,253/x
  3. Step 3: Cross multiply
    18,477x = 35,253 × 35,253
  4. Step 4: Simplify right side
    18,477x = 1,242,774,009
  5. Step 5: Solve for x
    x = 1,242,774,009/18,477
  6. Step 6: Final answer
    x = 67,260.59

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.