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Finding the Third Proportional to 7,284 and 8,364

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Solution

The third proportional to 7,284 and 8,364 is: 9,604.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284 : 8,364 = 8,364 : x
  2. Step 2: Convert to fraction form
    7,284/8,364 = 8,364/x
  3. Step 3: Cross multiply
    7,284x = 8,364 × 8,364
  4. Step 4: Simplify right side
    7,284x = 69,956,496
  5. Step 5: Solve for x
    x = 69,956,496/7,284
  6. Step 6: Final answer
    x = 9,604.13

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.