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Finding the Third Proportional to 27,808 and 58,880

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Solution

The third proportional to 27,808 and 58,880 is: 124,671.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,808 : 58,880 = 58,880 : x
  2. Step 2: Convert to fraction form
    27,808/58,880 = 58,880/x
  3. Step 3: Cross multiply
    27,808x = 58,880 × 58,880
  4. Step 4: Simplify right side
    27,808x = 3,466,854,400
  5. Step 5: Solve for x
    x = 3,466,854,400/27,808
  6. Step 6: Final answer
    x = 124,671.12

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.