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Finding the Third Proportional to 19,072 and 25,664

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Solution

The third proportional to 19,072 and 25,664 is: 34,534.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072 : 25,664 = 25,664 : x
  2. Step 2: Convert to fraction form
    19,072/25,664 = 25,664/x
  3. Step 3: Cross multiply
    19,072x = 25,664 × 25,664
  4. Step 4: Simplify right side
    19,072x = 658,640,896
  5. Step 5: Solve for x
    x = 658,640,896/19,072
  6. Step 6: Final answer
    x = 34,534.44

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.