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Finding the Third Proportional to 21,718 and 44,588

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Solution

The third proportional to 21,718 and 44,588 is: 91,541.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,718 : 44,588 = 44,588 : x
  2. Step 2: Convert to fraction form
    21,718/44,588 = 44,588/x
  3. Step 3: Cross multiply
    21,718x = 44,588 × 44,588
  4. Step 4: Simplify right side
    21,718x = 1,988,089,744
  5. Step 5: Solve for x
    x = 1,988,089,744/21,718
  6. Step 6: Final answer
    x = 91,541.11

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.