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Finding the Third Proportional to 243.95 and 533.46

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Solution

The third proportional to 243.95 and 533.46 is: 1,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.95 : 533.46 = 533.46 : x
  2. Step 2: Convert to fraction form
    243.95/533.46 = 533.46/x
  3. Step 3: Cross multiply
    243.95x = 533.46 × 533.46
  4. Step 4: Simplify right side
    243.95x = 284,580.57
  5. Step 5: Solve for x
    x = 284,580.57/243.95
  6. Step 6: Final answer
    x = 1,166.56

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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.