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Finding the Third Proportional to 26,080 and 40,400

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Solution

The third proportional to 26,080 and 40,400 is: 62,582.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,080 : 40,400 = 40,400 : x
  2. Step 2: Convert to fraction form
    26,080/40,400 = 40,400/x
  3. Step 3: Cross multiply
    26,080x = 40,400 × 40,400
  4. Step 4: Simplify right side
    26,080x = 1,632,160,000
  5. Step 5: Solve for x
    x = 1,632,160,000/26,080
  6. Step 6: Final answer
    x = 62,582.82

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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.