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Finding the Third Proportional to 28,469 and 44,531

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Solution

The third proportional to 28,469 and 44,531 is: 69,655.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,469 : 44,531 = 44,531 : x
  2. Step 2: Convert to fraction form
    28,469/44,531 = 44,531/x
  3. Step 3: Cross multiply
    28,469x = 44,531 × 44,531
  4. Step 4: Simplify right side
    28,469x = 1,983,009,961
  5. Step 5: Solve for x
    x = 1,983,009,961/28,469
  6. Step 6: Final answer
    x = 69,655.06

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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.