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Finding the Third Proportional to 28,814 and 44,721

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Solution

The third proportional to 28,814 and 44,721 is: 69,409.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,814 : 44,721 = 44,721 : x
  2. Step 2: Convert to fraction form
    28,814/44,721 = 44,721/x
  3. Step 3: Cross multiply
    28,814x = 44,721 × 44,721
  4. Step 4: Simplify right side
    28,814x = 1,999,967,841
  5. Step 5: Solve for x
    x = 1,999,967,841/28,814
  6. Step 6: Final answer
    x = 69,409.59

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.