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Finding the Third Proportional to 18,930 and 26,484

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Solution

The third proportional to 18,930 and 26,484 is: 37,052.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,930 : 26,484 = 26,484 : x
  2. Step 2: Convert to fraction form
    18,930/26,484 = 26,484/x
  3. Step 3: Cross multiply
    18,930x = 26,484 × 26,484
  4. Step 4: Simplify right side
    18,930x = 701,402,256
  5. Step 5: Solve for x
    x = 701,402,256/18,930
  6. Step 6: Final answer
    x = 37,052.42

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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.