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Finding the Third Proportional to 19,531.75 and 27,125.50

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Solution

The third proportional to 19,531.75 and 27,125.50 is: 37,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.75 : 27,125.50 = 27,125.50 : x
  2. Step 2: Convert to fraction form
    19,531.75/27,125.50 = 27,125.50/x
  3. Step 3: Cross multiply
    19,531.75x = 27,125.50 × 27,125.50
  4. Step 4: Simplify right side
    19,531.75x = 735,792,750.25
  5. Step 5: Solve for x
    x = 735,792,750.25/19,531.75
  6. Step 6: Final answer
    x = 37,671.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.