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Finding the Third Proportional to 7,602 and 15,509

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Solution

The third proportional to 7,602 and 15,509 is: 31,640.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602 : 15,509 = 15,509 : x
  2. Step 2: Convert to fraction form
    7,602/15,509 = 15,509/x
  3. Step 3: Cross multiply
    7,602x = 15,509 × 15,509
  4. Step 4: Simplify right side
    7,602x = 240,529,081
  5. Step 5: Solve for x
    x = 240,529,081/7,602
  6. Step 6: Final answer
    x = 31,640.24

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.