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Finding the Third Proportional to 1,178 and 3,013

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Solution

The third proportional to 1,178 and 3,013 is: 7,706.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178 : 3,013 = 3,013 : x
  2. Step 2: Convert to fraction form
    1,178/3,013 = 3,013/x
  3. Step 3: Cross multiply
    1,178x = 3,013 × 3,013
  4. Step 4: Simplify right side
    1,178x = 9,078,169
  5. Step 5: Solve for x
    x = 9,078,169/1,178
  6. Step 6: Final answer
    x = 7,706.43

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Why These Related Problems?

These problems maintain the same ratio (2.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.