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Finding the Third Proportional to 49,708 and 66,426

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Solution

The third proportional to 49,708 and 66,426 is: 88,766.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,708 : 66,426 = 66,426 : x
  2. Step 2: Convert to fraction form
    49,708/66,426 = 66,426/x
  3. Step 3: Cross multiply
    49,708x = 66,426 × 66,426
  4. Step 4: Simplify right side
    49,708x = 4,412,413,476
  5. Step 5: Solve for x
    x = 4,412,413,476/49,708
  6. Step 6: Final answer
    x = 88,766.67

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.