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Finding the Third Proportional to 14,812 and 19,290

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Solution

The third proportional to 14,812 and 19,290 is: 25,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,812 : 19,290 = 19,290 : x
  2. Step 2: Convert to fraction form
    14,812/19,290 = 19,290/x
  3. Step 3: Cross multiply
    14,812x = 19,290 × 19,290
  4. Step 4: Simplify right side
    14,812x = 372,104,100
  5. Step 5: Solve for x
    x = 372,104,100/14,812
  6. Step 6: Final answer
    x = 25,121.80

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.