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Finding the Third Proportional to 69,474.63 and 141,404.75

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Solution

The third proportional to 69,474.63 and 141,404.75 is: 287,807.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,474.63 : 141,404.75 = 141,404.75 : x
  2. Step 2: Convert to fraction form
    69,474.63/141,404.75 = 141,404.75/x
  3. Step 3: Cross multiply
    69,474.63x = 141,404.75 × 141,404.75
  4. Step 4: Simplify right side
    69,474.63x = 19,995,303,322.56
  5. Step 5: Solve for x
    x = 19,995,303,322.56/69,474.63
  6. Step 6: Final answer
    x = 287,807.29

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.