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Finding the Third Proportional to 66,784 and 146,084

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Solution

The third proportional to 66,784 and 146,084 is: 319,545.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,784 : 146,084 = 146,084 : x
  2. Step 2: Convert to fraction form
    66,784/146,084 = 146,084/x
  3. Step 3: Cross multiply
    66,784x = 146,084 × 146,084
  4. Step 4: Simplify right side
    66,784x = 21,340,535,056
  5. Step 5: Solve for x
    x = 21,340,535,056/66,784
  6. Step 6: Final answer
    x = 319,545.63

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.