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Finding the Third Proportional to 12,800 and 27,964

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Solution

The third proportional to 12,800 and 27,964 is: 61,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,800 : 27,964 = 27,964 : x
  2. Step 2: Convert to fraction form
    12,800/27,964 = 27,964/x
  3. Step 3: Cross multiply
    12,800x = 27,964 × 27,964
  4. Step 4: Simplify right side
    12,800x = 781,985,296
  5. Step 5: Solve for x
    x = 781,985,296/12,800
  6. Step 6: Final answer
    x = 61,092.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.