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Finding the Third Proportional to 2,948 and 6,280

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Solution

The third proportional to 2,948 and 6,280 is: 13,378.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948 : 6,280 = 6,280 : x
  2. Step 2: Convert to fraction form
    2,948/6,280 = 6,280/x
  3. Step 3: Cross multiply
    2,948x = 6,280 × 6,280
  4. Step 4: Simplify right side
    2,948x = 39,438,400
  5. Step 5: Solve for x
    x = 39,438,400/2,948
  6. Step 6: Final answer
    x = 13,378.02

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.