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Finding the Third Proportional to 7,538 and 17,702

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Solution

The third proportional to 7,538 and 17,702 is: 41,570.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538 : 17,702 = 17,702 : x
  2. Step 2: Convert to fraction form
    7,538/17,702 = 17,702/x
  3. Step 3: Cross multiply
    7,538x = 17,702 × 17,702
  4. Step 4: Simplify right side
    7,538x = 313,360,804
  5. Step 5: Solve for x
    x = 313,360,804/7,538
  6. Step 6: Final answer
    x = 41,570.82

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.