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Finding the Third Proportional to 2,784 and 3,624

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Solution

The third proportional to 2,784 and 3,624 is: 4,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784 : 3,624 = 3,624 : x
  2. Step 2: Convert to fraction form
    2,784/3,624 = 3,624/x
  3. Step 3: Cross multiply
    2,784x = 3,624 × 3,624
  4. Step 4: Simplify right side
    2,784x = 13,133,376
  5. Step 5: Solve for x
    x = 13,133,376/2,784
  6. Step 6: Final answer
    x = 4,717.45

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.