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Finding the Third Proportional to 26,840 and 72,446

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Solution

The third proportional to 26,840 and 72,446 is: 195,544.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,840 : 72,446 = 72,446 : x
  2. Step 2: Convert to fraction form
    26,840/72,446 = 72,446/x
  3. Step 3: Cross multiply
    26,840x = 72,446 × 72,446
  4. Step 4: Simplify right side
    26,840x = 5,248,422,916
  5. Step 5: Solve for x
    x = 5,248,422,916/26,840
  6. Step 6: Final answer
    x = 195,544.82

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Why These Related Problems?

These problems maintain the same ratio (2.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.