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Finding the Third Proportional to 7,074 and 14,970.75

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Solution

The third proportional to 7,074 and 14,970.75 is: 31,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074 : 14,970.75 = 14,970.75 : x
  2. Step 2: Convert to fraction form
    7,074/14,970.75 = 14,970.75/x
  3. Step 3: Cross multiply
    7,074x = 14,970.75 × 14,970.75
  4. Step 4: Simplify right side
    7,074x = 224,123,355.56
  5. Step 5: Solve for x
    x = 224,123,355.56/7,074
  6. Step 6: Final answer
    x = 31,682.69

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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.