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Finding the Third Proportional to 215,280.75 and 471,466.50

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Solution

The third proportional to 215,280.75 and 471,466.50 is: 1,032,515.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,280.75 : 471,466.50 = 471,466.50 : x
  2. Step 2: Convert to fraction form
    215,280.75/471,466.50 = 471,466.50/x
  3. Step 3: Cross multiply
    215,280.75x = 471,466.50 × 471,466.50
  4. Step 4: Simplify right side
    215,280.75x = 222,280,660,622.25
  5. Step 5: Solve for x
    x = 222,280,660,622.25/215,280.75
  6. Step 6: Final answer
    x = 1,032,515.26

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.