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Finding the Third Proportional to 2,956 and 4,637

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Solution

The third proportional to 2,956 and 4,637 is: 7,273.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956 : 4,637 = 4,637 : x
  2. Step 2: Convert to fraction form
    2,956/4,637 = 4,637/x
  3. Step 3: Cross multiply
    2,956x = 4,637 × 4,637
  4. Step 4: Simplify right side
    2,956x = 21,501,769
  5. Step 5: Solve for x
    x = 21,501,769/2,956
  6. Step 6: Final answer
    x = 7,273.94

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.