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Finding the Third Proportional to 1,680 and 4,552

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Solution

The third proportional to 1,680 and 4,552 is: 12,333.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680 : 4,552 = 4,552 : x
  2. Step 2: Convert to fraction form
    1,680/4,552 = 4,552/x
  3. Step 3: Cross multiply
    1,680x = 4,552 × 4,552
  4. Step 4: Simplify right side
    1,680x = 20,720,704
  5. Step 5: Solve for x
    x = 20,720,704/1,680
  6. Step 6: Final answer
    x = 12,333.75

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Why These Related Problems?

These problems maintain the same ratio (2.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.