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Finding the Third Proportional to 11,895 and 28,180.50

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Solution

The third proportional to 11,895 and 28,180.50 is: 66,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895 : 28,180.50 = 28,180.50 : x
  2. Step 2: Convert to fraction form
    11,895/28,180.50 = 28,180.50/x
  3. Step 3: Cross multiply
    11,895x = 28,180.50 × 28,180.50
  4. Step 4: Simplify right side
    11,895x = 794,140,580.25
  5. Step 5: Solve for x
    x = 794,140,580.25/11,895
  6. Step 6: Final answer
    x = 66,762.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.