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Finding the Third Proportional to 216,240.75 and 464,466.38

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Solution

The third proportional to 216,240.75 and 464,466.38 is: 997,633.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,240.75 : 464,466.38 = 464,466.38 : x
  2. Step 2: Convert to fraction form
    216,240.75/464,466.38 = 464,466.38/x
  3. Step 3: Cross multiply
    216,240.75x = 464,466.38 × 464,466.38
  4. Step 4: Simplify right side
    216,240.75x = 215,729,013,505.64
  5. Step 5: Solve for x
    x = 215,729,013,505.64/216,240.75
  6. Step 6: Final answer
    x = 997,633.49

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.