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Finding the Third Proportional to 1,882 and 4,880

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Solution

The third proportional to 1,882 and 4,880 is: 12,653.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882 : 4,880 = 4,880 : x
  2. Step 2: Convert to fraction form
    1,882/4,880 = 4,880/x
  3. Step 3: Cross multiply
    1,882x = 4,880 × 4,880
  4. Step 4: Simplify right side
    1,882x = 23,814,400
  5. Step 5: Solve for x
    x = 23,814,400/1,882
  6. Step 6: Final answer
    x = 12,653.77

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Why These Related Problems?

These problems maintain the same ratio (2.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.