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Finding the Third Proportional to 12,090 and 19,234

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Solution

The third proportional to 12,090 and 19,234 is: 30,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,090 : 19,234 = 19,234 : x
  2. Step 2: Convert to fraction form
    12,090/19,234 = 19,234/x
  3. Step 3: Cross multiply
    12,090x = 19,234 × 19,234
  4. Step 4: Simplify right side
    12,090x = 369,946,756
  5. Step 5: Solve for x
    x = 369,946,756/12,090
  6. Step 6: Final answer
    x = 30,599.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.