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Finding the Third Proportional to 19,000 and 25,220

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Solution

The third proportional to 19,000 and 25,220 is: 33,476.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000 : 25,220 = 25,220 : x
  2. Step 2: Convert to fraction form
    19,000/25,220 = 25,220/x
  3. Step 3: Cross multiply
    19,000x = 25,220 × 25,220
  4. Step 4: Simplify right side
    19,000x = 636,048,400
  5. Step 5: Solve for x
    x = 636,048,400/19,000
  6. Step 6: Final answer
    x = 33,476.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.