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Finding the Third Proportional to 6,220 and 12,968

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Solution

The third proportional to 6,220 and 12,968 is: 27,036.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220 : 12,968 = 12,968 : x
  2. Step 2: Convert to fraction form
    6,220/12,968 = 12,968/x
  3. Step 3: Cross multiply
    6,220x = 12,968 × 12,968
  4. Step 4: Simplify right side
    6,220x = 168,169,024
  5. Step 5: Solve for x
    x = 168,169,024/6,220
  6. Step 6: Final answer
    x = 27,036.82

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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.