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Finding the Third Proportional to 28,492.50 and 44,231.75

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Solution

The third proportional to 28,492.50 and 44,231.75 is: 68,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,492.50 : 44,231.75 = 44,231.75 : x
  2. Step 2: Convert to fraction form
    28,492.50/44,231.75 = 44,231.75/x
  3. Step 3: Cross multiply
    28,492.50x = 44,231.75 × 44,231.75
  4. Step 4: Simplify right side
    28,492.50x = 1,956,447,708.06
  5. Step 5: Solve for x
    x = 1,956,447,708.06/28,492.50
  6. Step 6: Final answer
    x = 68,665.36

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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.