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Finding the Third Proportional to 2,938.50 and 3,246

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Solution

The third proportional to 2,938.50 and 3,246 is: 3,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.50 : 3,246 = 3,246 : x
  2. Step 2: Convert to fraction form
    2,938.50/3,246 = 3,246/x
  3. Step 3: Cross multiply
    2,938.50x = 3,246 × 3,246
  4. Step 4: Simplify right side
    2,938.50x = 10,536,516
  5. Step 5: Solve for x
    x = 10,536,516/2,938.50
  6. Step 6: Final answer
    x = 3,585.68

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.