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Finding the Third Proportional to 19,840 and 43,096

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Solution

The third proportional to 19,840 and 43,096 is: 93,612.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840 : 43,096 = 43,096 : x
  2. Step 2: Convert to fraction form
    19,840/43,096 = 43,096/x
  3. Step 3: Cross multiply
    19,840x = 43,096 × 43,096
  4. Step 4: Simplify right side
    19,840x = 1,857,265,216
  5. Step 5: Solve for x
    x = 1,857,265,216/19,840
  6. Step 6: Final answer
    x = 93,612.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.