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Finding the Third Proportional to 28,605 and 44,205

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Solution

The third proportional to 28,605 and 44,205 is: 68,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,605 : 44,205 = 44,205 : x
  2. Step 2: Convert to fraction form
    28,605/44,205 = 44,205/x
  3. Step 3: Cross multiply
    28,605x = 44,205 × 44,205
  4. Step 4: Simplify right side
    28,605x = 1,954,082,025
  5. Step 5: Solve for x
    x = 1,954,082,025/28,605
  6. Step 6: Final answer
    x = 68,312.60

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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.