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Finding the Third Proportional to 28,800 and 44,429

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Solution

The third proportional to 28,800 and 44,429 is: 68,539.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,800 : 44,429 = 44,429 : x
  2. Step 2: Convert to fraction form
    28,800/44,429 = 44,429/x
  3. Step 3: Cross multiply
    28,800x = 44,429 × 44,429
  4. Step 4: Simplify right side
    28,800x = 1,973,936,041
  5. Step 5: Solve for x
    x = 1,973,936,041/28,800
  6. Step 6: Final answer
    x = 68,539.45

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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.