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Finding the Third Proportional to 539.88 and 883.75

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Solution

The third proportional to 539.88 and 883.75 is: 1,446.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.88 : 883.75 = 883.75 : x
  2. Step 2: Convert to fraction form
    539.88/883.75 = 883.75/x
  3. Step 3: Cross multiply
    539.88x = 883.75 × 883.75
  4. Step 4: Simplify right side
    539.88x = 781,014.06
  5. Step 5: Solve for x
    x = 781,014.06/539.88
  6. Step 6: Final answer
    x = 1,446.66

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.