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Finding the Third Proportional to 19,209 and 41,700

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Solution

The third proportional to 19,209 and 41,700 is: 90,524.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209 : 41,700 = 41,700 : x
  2. Step 2: Convert to fraction form
    19,209/41,700 = 41,700/x
  3. Step 3: Cross multiply
    19,209x = 41,700 × 41,700
  4. Step 4: Simplify right side
    19,209x = 1,738,890,000
  5. Step 5: Solve for x
    x = 1,738,890,000/19,209
  6. Step 6: Final answer
    x = 90,524.75

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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.