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Finding the Third Proportional to 18,126 and 26,590

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Solution

The third proportional to 18,126 and 26,590 is: 39,006.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126 : 26,590 = 26,590 : x
  2. Step 2: Convert to fraction form
    18,126/26,590 = 26,590/x
  3. Step 3: Cross multiply
    18,126x = 26,590 × 26,590
  4. Step 4: Simplify right side
    18,126x = 707,028,100
  5. Step 5: Solve for x
    x = 707,028,100/18,126
  6. Step 6: Final answer
    x = 39,006.29

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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.