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Finding the Third Proportional to 18,230.70 and 26,739.49

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Solution

The third proportional to 18,230.70 and 26,739.49 is: 39,219.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230.70 : 26,739.49 = 26,739.49 : x
  2. Step 2: Convert to fraction form
    18,230.70/26,739.49 = 26,739.49/x
  3. Step 3: Cross multiply
    18,230.70x = 26,739.49 × 26,739.49
  4. Step 4: Simplify right side
    18,230.70x = 715,000,442.45
  5. Step 5: Solve for x
    x = 715,000,442.45/18,230.70
  6. Step 6: Final answer
    x = 39,219.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.