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Finding the Third Proportional to 26,803 and 39,400

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Solution

The third proportional to 26,803 and 39,400 is: 57,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,803 : 39,400 = 39,400 : x
  2. Step 2: Convert to fraction form
    26,803/39,400 = 39,400/x
  3. Step 3: Cross multiply
    26,803x = 39,400 × 39,400
  4. Step 4: Simplify right side
    26,803x = 1,552,360,000
  5. Step 5: Solve for x
    x = 1,552,360,000/26,803
  6. Step 6: Final answer
    x = 57,917.40

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.