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Finding the Third Proportional to 4,972 and 5,612

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Solution

The third proportional to 4,972 and 5,612 is: 6,334.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972 : 5,612 = 5,612 : x
  2. Step 2: Convert to fraction form
    4,972/5,612 = 5,612/x
  3. Step 3: Cross multiply
    4,972x = 5,612 × 5,612
  4. Step 4: Simplify right side
    4,972x = 31,494,544
  5. Step 5: Solve for x
    x = 31,494,544/4,972
  6. Step 6: Final answer
    x = 6,334.38

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Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.