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Finding the Third Proportional to 448 and 773

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Solution

The third proportional to 448 and 773 is: 1,333.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    448 : 773 = 773 : x
  2. Step 2: Convert to fraction form
    448/773 = 773/x
  3. Step 3: Cross multiply
    448x = 773 × 773
  4. Step 4: Simplify right side
    448x = 597,529
  5. Step 5: Solve for x
    x = 597,529/448
  6. Step 6: Final answer
    x = 1,333.77

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Why These Related Problems?

These problems maintain the same ratio (1.73) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.