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Finding the Third Proportional to 5,212 and 12,946

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Solution

The third proportional to 5,212 and 12,946 is: 32,156.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212 : 12,946 = 12,946 : x
  2. Step 2: Convert to fraction form
    5,212/12,946 = 12,946/x
  3. Step 3: Cross multiply
    5,212x = 12,946 × 12,946
  4. Step 4: Simplify right side
    5,212x = 167,598,916
  5. Step 5: Solve for x
    x = 167,598,916/5,212
  6. Step 6: Final answer
    x = 32,156.35

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Why These Related Problems?

These problems maintain the same ratio (2.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.