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Finding the Third Proportional to 18,105.75 and 26,510.63

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Solution

The third proportional to 18,105.75 and 26,510.63 is: 38,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105.75 : 26,510.63 = 26,510.63 : x
  2. Step 2: Convert to fraction form
    18,105.75/26,510.63 = 26,510.63/x
  3. Step 3: Cross multiply
    18,105.75x = 26,510.63 × 26,510.63
  4. Step 4: Simplify right side
    18,105.75x = 702,813,237.89
  5. Step 5: Solve for x
    x = 702,813,237.89/18,105.75
  6. Step 6: Final answer
    x = 38,817.13

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.