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Finding the Third Proportional to 17,784 and 26,574

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Solution

The third proportional to 17,784 and 26,574 is: 39,708.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,784 : 26,574 = 26,574 : x
  2. Step 2: Convert to fraction form
    17,784/26,574 = 26,574/x
  3. Step 3: Cross multiply
    17,784x = 26,574 × 26,574
  4. Step 4: Simplify right side
    17,784x = 706,177,476
  5. Step 5: Solve for x
    x = 706,177,476/17,784
  6. Step 6: Final answer
    x = 39,708.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.