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Finding the Third Proportional to 456 and 773

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Solution

The third proportional to 456 and 773 is: 1,310.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    456 : 773 = 773 : x
  2. Step 2: Convert to fraction form
    456/773 = 773/x
  3. Step 3: Cross multiply
    456x = 773 × 773
  4. Step 4: Simplify right side
    456x = 597,529
  5. Step 5: Solve for x
    x = 597,529/456
  6. Step 6: Final answer
    x = 1,310.37

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.