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Finding the Third Proportional to 2,985 and 5,013

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Solution

The third proportional to 2,985 and 5,013 is: 8,418.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985 : 5,013 = 5,013 : x
  2. Step 2: Convert to fraction form
    2,985/5,013 = 5,013/x
  3. Step 3: Cross multiply
    2,985x = 5,013 × 5,013
  4. Step 4: Simplify right side
    2,985x = 25,130,169
  5. Step 5: Solve for x
    x = 25,130,169/2,985
  6. Step 6: Final answer
    x = 8,418.82

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Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.