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Finding the Third Proportional to 18,210 and 28,956

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Solution

The third proportional to 18,210 and 28,956 is: 46,043.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210 : 28,956 = 28,956 : x
  2. Step 2: Convert to fraction form
    18,210/28,956 = 28,956/x
  3. Step 3: Cross multiply
    18,210x = 28,956 × 28,956
  4. Step 4: Simplify right side
    18,210x = 838,449,936
  5. Step 5: Solve for x
    x = 838,449,936/18,210
  6. Step 6: Final answer
    x = 46,043.38

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.