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Finding the Third Proportional to 26,392 and 39,540

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Solution

The third proportional to 26,392 and 39,540 is: 59,238.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,392 : 39,540 = 39,540 : x
  2. Step 2: Convert to fraction form
    26,392/39,540 = 39,540/x
  3. Step 3: Cross multiply
    26,392x = 39,540 × 39,540
  4. Step 4: Simplify right side
    26,392x = 1,563,411,600
  5. Step 5: Solve for x
    x = 1,563,411,600/26,392
  6. Step 6: Final answer
    x = 59,238.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.