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Finding the Third Proportional to 7,259 and 15,571

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Solution

The third proportional to 7,259 and 15,571 is: 33,400.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259 : 15,571 = 15,571 : x
  2. Step 2: Convert to fraction form
    7,259/15,571 = 15,571/x
  3. Step 3: Cross multiply
    7,259x = 15,571 × 15,571
  4. Step 4: Simplify right side
    7,259x = 242,456,041
  5. Step 5: Solve for x
    x = 242,456,041/7,259
  6. Step 6: Final answer
    x = 33,400.75

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.