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Finding the Third Proportional to 19,327.50 and 36,220.50

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Solution

The third proportional to 19,327.50 and 36,220.50 is: 67,878.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.50 : 36,220.50 = 36,220.50 : x
  2. Step 2: Convert to fraction form
    19,327.50/36,220.50 = 36,220.50/x
  3. Step 3: Cross multiply
    19,327.50x = 36,220.50 × 36,220.50
  4. Step 4: Simplify right side
    19,327.50x = 1,311,924,620.25
  5. Step 5: Solve for x
    x = 1,311,924,620.25/19,327.50
  6. Step 6: Final answer
    x = 67,878.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.