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Finding the Third Proportional to 9,339.75 and 14,280.75

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Solution

The third proportional to 9,339.75 and 14,280.75 is: 21,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339.75 : 14,280.75 = 14,280.75 : x
  2. Step 2: Convert to fraction form
    9,339.75/14,280.75 = 14,280.75/x
  3. Step 3: Cross multiply
    9,339.75x = 14,280.75 × 14,280.75
  4. Step 4: Simplify right side
    9,339.75x = 203,939,820.56
  5. Step 5: Solve for x
    x = 203,939,820.56/9,339.75
  6. Step 6: Final answer
    x = 21,835.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.