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Finding the Third Proportional to 243.63 and 525.63

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Solution

The third proportional to 243.63 and 525.63 is: 1,134.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.63 : 525.63 = 525.63 : x
  2. Step 2: Convert to fraction form
    243.63/525.63 = 525.63/x
  3. Step 3: Cross multiply
    243.63x = 525.63 × 525.63
  4. Step 4: Simplify right side
    243.63x = 276,281.64
  5. Step 5: Solve for x
    x = 276,281.64/243.63
  6. Step 6: Final answer
    x = 1,134.04

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.