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Finding the Third Proportional to 6,466 and 12,770

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Solution

The third proportional to 6,466 and 12,770 is: 25,220.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,466 : 12,770 = 12,770 : x
  2. Step 2: Convert to fraction form
    6,466/12,770 = 12,770/x
  3. Step 3: Cross multiply
    6,466x = 12,770 × 12,770
  4. Step 4: Simplify right side
    6,466x = 163,072,900
  5. Step 5: Solve for x
    x = 163,072,900/6,466
  6. Step 6: Final answer
    x = 25,220.06

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.