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Finding the Third Proportional to 79,641 and 120,483

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Solution

The third proportional to 79,641 and 120,483 is: 182,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,641 : 120,483 = 120,483 : x
  2. Step 2: Convert to fraction form
    79,641/120,483 = 120,483/x
  3. Step 3: Cross multiply
    79,641x = 120,483 × 120,483
  4. Step 4: Simplify right side
    79,641x = 14,516,153,289
  5. Step 5: Solve for x
    x = 14,516,153,289/79,641
  6. Step 6: Final answer
    x = 182,269.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.