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Finding the Third Proportional to 141,851.25 and 189,276.75

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Solution

The third proportional to 141,851.25 and 189,276.75 is: 252,558.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,851.25 : 189,276.75 = 189,276.75 : x
  2. Step 2: Convert to fraction form
    141,851.25/189,276.75 = 189,276.75/x
  3. Step 3: Cross multiply
    141,851.25x = 189,276.75 × 189,276.75
  4. Step 4: Simplify right side
    141,851.25x = 35,825,688,090.56
  5. Step 5: Solve for x
    x = 35,825,688,090.56/141,851.25
  6. Step 6: Final answer
    x = 252,558.14

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.