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Finding the Third Proportional to 28,518 and 44,400

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Solution

The third proportional to 28,518 and 44,400 is: 69,126.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,518 : 44,400 = 44,400 : x
  2. Step 2: Convert to fraction form
    28,518/44,400 = 44,400/x
  3. Step 3: Cross multiply
    28,518x = 44,400 × 44,400
  4. Step 4: Simplify right side
    28,518x = 1,971,360,000
  5. Step 5: Solve for x
    x = 1,971,360,000/28,518
  6. Step 6: Final answer
    x = 69,126.87

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.