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Finding the Third Proportional to 1,168 and 1,284

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Solution

The third proportional to 1,168 and 1,284 is: 1,411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168 : 1,284 = 1,284 : x
  2. Step 2: Convert to fraction form
    1,168/1,284 = 1,284/x
  3. Step 3: Cross multiply
    1,168x = 1,284 × 1,284
  4. Step 4: Simplify right side
    1,168x = 1,648,656
  5. Step 5: Solve for x
    x = 1,648,656/1,168
  6. Step 6: Final answer
    x = 1,411.52

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