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Finding the Third Proportional to 28,417 and 44,480

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Solution

The third proportional to 28,417 and 44,480 is: 69,622.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,417 : 44,480 = 44,480 : x
  2. Step 2: Convert to fraction form
    28,417/44,480 = 44,480/x
  3. Step 3: Cross multiply
    28,417x = 44,480 × 44,480
  4. Step 4: Simplify right side
    28,417x = 1,978,470,400
  5. Step 5: Solve for x
    x = 1,978,470,400/28,417
  6. Step 6: Final answer
    x = 69,622.78

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.