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Finding the Third Proportional to 18,672 and 26,136

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Solution

The third proportional to 18,672 and 26,136 is: 36,583.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,672 : 26,136 = 26,136 : x
  2. Step 2: Convert to fraction form
    18,672/26,136 = 26,136/x
  3. Step 3: Cross multiply
    18,672x = 26,136 × 26,136
  4. Step 4: Simplify right side
    18,672x = 683,090,496
  5. Step 5: Solve for x
    x = 683,090,496/18,672
  6. Step 6: Final answer
    x = 36,583.68

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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.