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Finding the Third Proportional to 7,544.81 and 12,394.69

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Solution

The third proportional to 7,544.81 and 12,394.69 is: 20,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,544.81 : 12,394.69 = 12,394.69 : x
  2. Step 2: Convert to fraction form
    7,544.81/12,394.69 = 12,394.69/x
  3. Step 3: Cross multiply
    7,544.81x = 12,394.69 × 12,394.69
  4. Step 4: Simplify right side
    7,544.81x = 153,628,278.22
  5. Step 5: Solve for x
    x = 153,628,278.22/7,544.81
  6. Step 6: Final answer
    x = 20,362.11

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.