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Finding the Third Proportional to 6,917 and 15,178

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Solution

The third proportional to 6,917 and 15,178 is: 33,305.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917 : 15,178 = 15,178 : x
  2. Step 2: Convert to fraction form
    6,917/15,178 = 15,178/x
  3. Step 3: Cross multiply
    6,917x = 15,178 × 15,178
  4. Step 4: Simplify right side
    6,917x = 230,371,684
  5. Step 5: Solve for x
    x = 230,371,684/6,917
  6. Step 6: Final answer
    x = 33,305.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.