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Finding the Third Proportional to 8,248 and 12,442.25

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Solution

The third proportional to 8,248 and 12,442.25 is: 18,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248 : 12,442.25 = 12,442.25 : x
  2. Step 2: Convert to fraction form
    8,248/12,442.25 = 12,442.25/x
  3. Step 3: Cross multiply
    8,248x = 12,442.25 × 12,442.25
  4. Step 4: Simplify right side
    8,248x = 154,809,585.06
  5. Step 5: Solve for x
    x = 154,809,585.06/8,248
  6. Step 6: Final answer
    x = 18,769.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.