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Finding the Third Proportional to 28,616.63 and 43,775.44

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Solution

The third proportional to 28,616.63 and 43,775.44 is: 66,964.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,616.63 : 43,775.44 = 43,775.44 : x
  2. Step 2: Convert to fraction form
    28,616.63/43,775.44 = 43,775.44/x
  3. Step 3: Cross multiply
    28,616.63x = 43,775.44 × 43,775.44
  4. Step 4: Simplify right side
    28,616.63x = 1,916,288,928.32
  5. Step 5: Solve for x
    x = 1,916,288,928.32/28,616.63
  6. Step 6: Final answer
    x = 66,964.18

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.