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Finding the Third Proportional to 28,354 and 44,381

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Solution

The third proportional to 28,354 and 44,381 is: 69,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,354 : 44,381 = 44,381 : x
  2. Step 2: Convert to fraction form
    28,354/44,381 = 44,381/x
  3. Step 3: Cross multiply
    28,354x = 44,381 × 44,381
  4. Step 4: Simplify right side
    28,354x = 1,969,673,161
  5. Step 5: Solve for x
    x = 1,969,673,161/28,354
  6. Step 6: Final answer
    x = 69,467.21

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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.