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Finding the Third Proportional to 8,228.25 and 19,318.50

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Solution

The third proportional to 8,228.25 and 19,318.50 is: 45,356.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.25 : 19,318.50 = 19,318.50 : x
  2. Step 2: Convert to fraction form
    8,228.25/19,318.50 = 19,318.50/x
  3. Step 3: Cross multiply
    8,228.25x = 19,318.50 × 19,318.50
  4. Step 4: Simplify right side
    8,228.25x = 373,204,442.25
  5. Step 5: Solve for x
    x = 373,204,442.25/8,228.25
  6. Step 6: Final answer
    x = 45,356.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.