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Finding the Third Proportional to 141,687.56 and 215,913.94

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Solution

The third proportional to 141,687.56 and 215,913.94 is: 329,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,687.56 : 215,913.94 = 215,913.94 : x
  2. Step 2: Convert to fraction form
    141,687.56/215,913.94 = 215,913.94/x
  3. Step 3: Cross multiply
    141,687.56x = 215,913.94 × 215,913.94
  4. Step 4: Simplify right side
    141,687.56x = 46,618,828,406.75
  5. Step 5: Solve for x
    x = 46,618,828,406.75/141,687.56
  6. Step 6: Final answer
    x = 329,025.55

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.