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Finding the Third Proportional to 1,114 and 2,947

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Solution

The third proportional to 1,114 and 2,947 is: 7,796.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114 : 2,947 = 2,947 : x
  2. Step 2: Convert to fraction form
    1,114/2,947 = 2,947/x
  3. Step 3: Cross multiply
    1,114x = 2,947 × 2,947
  4. Step 4: Simplify right side
    1,114x = 8,684,809
  5. Step 5: Solve for x
    x = 8,684,809/1,114
  6. Step 6: Final answer
    x = 7,796.06

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Why These Related Problems?

These problems maintain the same ratio (2.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.