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Finding the Third Proportional to 3,137 and 4,783

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Solution

The third proportional to 3,137 and 4,783 is: 7,292.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137 : 4,783 = 4,783 : x
  2. Step 2: Convert to fraction form
    3,137/4,783 = 4,783/x
  3. Step 3: Cross multiply
    3,137x = 4,783 × 4,783
  4. Step 4: Simplify right side
    3,137x = 22,877,089
  5. Step 5: Solve for x
    x = 22,877,089/3,137
  6. Step 6: Final answer
    x = 7,292.66

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.