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Finding the Third Proportional to 28,579 and 43,961

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Solution

The third proportional to 28,579 and 43,961 is: 67,622.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,579 : 43,961 = 43,961 : x
  2. Step 2: Convert to fraction form
    28,579/43,961 = 43,961/x
  3. Step 3: Cross multiply
    28,579x = 43,961 × 43,961
  4. Step 4: Simplify right side
    28,579x = 1,932,569,521
  5. Step 5: Solve for x
    x = 1,932,569,521/28,579
  6. Step 6: Final answer
    x = 67,622.01

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.