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Finding the Third Proportional to 78,884.75 and 169,797.88

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Solution

The third proportional to 78,884.75 and 169,797.88 is: 365,486.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,884.75 : 169,797.88 = 169,797.88 : x
  2. Step 2: Convert to fraction form
    78,884.75/169,797.88 = 169,797.88/x
  3. Step 3: Cross multiply
    78,884.75x = 169,797.88 × 169,797.88
  4. Step 4: Simplify right side
    78,884.75x = 28,831,318,354.52
  5. Step 5: Solve for x
    x = 28,831,318,354.52/78,884.75
  6. Step 6: Final answer
    x = 365,486.59

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.