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Finding the Third Proportional to 504.75 and 803

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Solution

The third proportional to 504.75 and 803 is: 1,277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.75 : 803 = 803 : x
  2. Step 2: Convert to fraction form
    504.75/803 = 803/x
  3. Step 3: Cross multiply
    504.75x = 803 × 803
  4. Step 4: Simplify right side
    504.75x = 644,809
  5. Step 5: Solve for x
    x = 644,809/504.75
  6. Step 6: Final answer
    x = 1,277.48

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.