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Finding the Third Proportional to 80,955 and 121,824.75

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Solution

The third proportional to 80,955 and 121,824.75 is: 183,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,955 : 121,824.75 = 121,824.75 : x
  2. Step 2: Convert to fraction form
    80,955/121,824.75 = 121,824.75/x
  3. Step 3: Cross multiply
    80,955x = 121,824.75 × 121,824.75
  4. Step 4: Simplify right side
    80,955x = 14,841,269,712.56
  5. Step 5: Solve for x
    x = 14,841,269,712.56/80,955
  6. Step 6: Final answer
    x = 183,327.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.