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Finding the Third Proportional to 18,931 and 26,476

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Solution

The third proportional to 18,931 and 26,476 is: 37,028.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,931 : 26,476 = 26,476 : x
  2. Step 2: Convert to fraction form
    18,931/26,476 = 26,476/x
  3. Step 3: Cross multiply
    18,931x = 26,476 × 26,476
  4. Step 4: Simplify right side
    18,931x = 700,978,576
  5. Step 5: Solve for x
    x = 700,978,576/18,931
  6. Step 6: Final answer
    x = 37,028.08

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.