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Finding the Third Proportional to 7,940 and 14,705

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Solution

The third proportional to 7,940 and 14,705 is: 27,233.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940 : 14,705 = 14,705 : x
  2. Step 2: Convert to fraction form
    7,940/14,705 = 14,705/x
  3. Step 3: Cross multiply
    7,940x = 14,705 × 14,705
  4. Step 4: Simplify right side
    7,940x = 216,237,025
  5. Step 5: Solve for x
    x = 216,237,025/7,940
  6. Step 6: Final answer
    x = 27,233.88

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.