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Finding the Third Proportional to 18,449.25 and 25,888.50

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Solution

The third proportional to 18,449.25 and 25,888.50 is: 36,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.25 : 25,888.50 = 25,888.50 : x
  2. Step 2: Convert to fraction form
    18,449.25/25,888.50 = 25,888.50/x
  3. Step 3: Cross multiply
    18,449.25x = 25,888.50 × 25,888.50
  4. Step 4: Simplify right side
    18,449.25x = 670,214,432.25
  5. Step 5: Solve for x
    x = 670,214,432.25/18,449.25
  6. Step 6: Final answer
    x = 36,327.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.