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Finding the Third Proportional to 3,078 and 6,524.63

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Solution

The third proportional to 3,078 and 6,524.63 is: 13,830.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078 : 6,524.63 = 6,524.63 : x
  2. Step 2: Convert to fraction form
    3,078/6,524.63 = 6,524.63/x
  3. Step 3: Cross multiply
    3,078x = 6,524.63 × 6,524.63
  4. Step 4: Simplify right side
    3,078x = 42,570,731.39
  5. Step 5: Solve for x
    x = 42,570,731.39/3,078
  6. Step 6: Final answer
    x = 13,830.65

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.