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Finding the Third Proportional to 5,690 and 6,284

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Solution

The third proportional to 5,690 and 6,284 is: 6,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690 : 6,284 = 6,284 : x
  2. Step 2: Convert to fraction form
    5,690/6,284 = 6,284/x
  3. Step 3: Cross multiply
    5,690x = 6,284 × 6,284
  4. Step 4: Simplify right side
    5,690x = 39,488,656
  5. Step 5: Solve for x
    x = 39,488,656/5,690
  6. Step 6: Final answer
    x = 6,940.01

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.