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Finding the Third Proportional to 17,972 and 26,436

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Solution

The third proportional to 17,972 and 26,436 is: 38,886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,972 : 26,436 = 26,436 : x
  2. Step 2: Convert to fraction form
    17,972/26,436 = 26,436/x
  3. Step 3: Cross multiply
    17,972x = 26,436 × 26,436
  4. Step 4: Simplify right side
    17,972x = 698,862,096
  5. Step 5: Solve for x
    x = 698,862,096/17,972
  6. Step 6: Final answer
    x = 38,886.16

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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.