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Finding the Third Proportional to 477 and 737

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Solution

The third proportional to 477 and 737 is: 1,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    477 : 737 = 737 : x
  2. Step 2: Convert to fraction form
    477/737 = 737/x
  3. Step 3: Cross multiply
    477x = 737 × 737
  4. Step 4: Simplify right side
    477x = 543,169
  5. Step 5: Solve for x
    x = 543,169/477
  6. Step 6: Final answer
    x = 1,138.72

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.