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Finding the Third Proportional to 69,072.75 and 136,528.03

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Solution

The third proportional to 69,072.75 and 136,528.03 is: 269,859.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,072.75 : 136,528.03 = 136,528.03 : x
  2. Step 2: Convert to fraction form
    69,072.75/136,528.03 = 136,528.03/x
  3. Step 3: Cross multiply
    69,072.75x = 136,528.03 × 136,528.03
  4. Step 4: Simplify right side
    69,072.75x = 18,639,903,317.00
  5. Step 5: Solve for x
    x = 18,639,903,317.00/69,072.75
  6. Step 6: Final answer
    x = 269,859.00

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.