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Finding the Third Proportional to 3,130 and 6,512

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Solution

The third proportional to 3,130 and 6,512 is: 13,548.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130 : 6,512 = 6,512 : x
  2. Step 2: Convert to fraction form
    3,130/6,512 = 6,512/x
  3. Step 3: Cross multiply
    3,130x = 6,512 × 6,512
  4. Step 4: Simplify right side
    3,130x = 42,406,144
  5. Step 5: Solve for x
    x = 42,406,144/3,130
  6. Step 6: Final answer
    x = 13,548.29

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.