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Finding the Third Proportional to 69,264 and 104,400

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Solution

The third proportional to 69,264 and 104,400 is: 157,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,264 : 104,400 = 104,400 : x
  2. Step 2: Convert to fraction form
    69,264/104,400 = 104,400/x
  3. Step 3: Cross multiply
    69,264x = 104,400 × 104,400
  4. Step 4: Simplify right side
    69,264x = 10,899,360,000
  5. Step 5: Solve for x
    x = 10,899,360,000/69,264
  6. Step 6: Final answer
    x = 157,359.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.