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Finding the Third Proportional to 3,570.75 and 5,216.63

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Solution

The third proportional to 3,570.75 and 5,216.63 is: 7,621.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.75 : 5,216.63 = 5,216.63 : x
  2. Step 2: Convert to fraction form
    3,570.75/5,216.63 = 5,216.63/x
  3. Step 3: Cross multiply
    3,570.75x = 5,216.63 × 5,216.63
  4. Step 4: Simplify right side
    3,570.75x = 27,213,176.39
  5. Step 5: Solve for x
    x = 27,213,176.39/3,570.75
  6. Step 6: Final answer
    x = 7,621.14

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.