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Finding the Third Proportional to 5,212 and 6,130

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Solution

The third proportional to 5,212 and 6,130 is: 7,209.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212 : 6,130 = 6,130 : x
  2. Step 2: Convert to fraction form
    5,212/6,130 = 6,130/x
  3. Step 3: Cross multiply
    5,212x = 6,130 × 6,130
  4. Step 4: Simplify right side
    5,212x = 37,576,900
  5. Step 5: Solve for x
    x = 37,576,900/5,212
  6. Step 6: Final answer
    x = 7,209.69

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.