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Finding the Third Proportional to 18,598 and 26,620

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Solution

The third proportional to 18,598 and 26,620 is: 38,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,598 : 26,620 = 26,620 : x
  2. Step 2: Convert to fraction form
    18,598/26,620 = 26,620/x
  3. Step 3: Cross multiply
    18,598x = 26,620 × 26,620
  4. Step 4: Simplify right side
    18,598x = 708,624,400
  5. Step 5: Solve for x
    x = 708,624,400/18,598
  6. Step 6: Final answer
    x = 38,102.18

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.