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Finding the Third Proportional to 5,022.56 and 7,431.19

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Solution

The third proportional to 5,022.56 and 7,431.19 is: 10,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.56 : 7,431.19 = 7,431.19 : x
  2. Step 2: Convert to fraction form
    5,022.56/7,431.19 = 7,431.19/x
  3. Step 3: Cross multiply
    5,022.56x = 7,431.19 × 7,431.19
  4. Step 4: Simplify right side
    5,022.56x = 55,222,547.66
  5. Step 5: Solve for x
    x = 55,222,547.66/5,022.56
  6. Step 6: Final answer
    x = 10,994.90

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.