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Finding the Third Proportional to 26,606 and 39,678

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Solution

The third proportional to 26,606 and 39,678 is: 59,172.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,606 : 39,678 = 39,678 : x
  2. Step 2: Convert to fraction form
    26,606/39,678 = 39,678/x
  3. Step 3: Cross multiply
    26,606x = 39,678 × 39,678
  4. Step 4: Simplify right side
    26,606x = 1,574,343,684
  5. Step 5: Solve for x
    x = 1,574,343,684/26,606
  6. Step 6: Final answer
    x = 59,172.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.