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Finding the Third Proportional to 18,763 and 28,956

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Solution

The third proportional to 18,763 and 28,956 is: 44,686.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,763 : 28,956 = 28,956 : x
  2. Step 2: Convert to fraction form
    18,763/28,956 = 28,956/x
  3. Step 3: Cross multiply
    18,763x = 28,956 × 28,956
  4. Step 4: Simplify right side
    18,763x = 838,449,936
  5. Step 5: Solve for x
    x = 838,449,936/18,763
  6. Step 6: Final answer
    x = 44,686.35

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.