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Finding the Third Proportional to 28,490 and 44,229

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Solution

The third proportional to 28,490 and 44,229 is: 68,662.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,490 : 44,229 = 44,229 : x
  2. Step 2: Convert to fraction form
    28,490/44,229 = 44,229/x
  3. Step 3: Cross multiply
    28,490x = 44,229 × 44,229
  4. Step 4: Simplify right side
    28,490x = 1,956,204,441
  5. Step 5: Solve for x
    x = 1,956,204,441/28,490
  6. Step 6: Final answer
    x = 68,662.84

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.