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Finding the Third Proportional to 975.38 and 1,812.94

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Solution

The third proportional to 975.38 and 1,812.94 is: 3,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    975.38 : 1,812.94 = 1,812.94 : x
  2. Step 2: Convert to fraction form
    975.38/1,812.94 = 1,812.94/x
  3. Step 3: Cross multiply
    975.38x = 1,812.94 × 1,812.94
  4. Step 4: Simplify right side
    975.38x = 3,286,742.38
  5. Step 5: Solve for x
    x = 3,286,742.38/975.38
  6. Step 6: Final answer
    x = 3,369.72

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.