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Finding the Third Proportional to 337.13 and 692.63

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Solution

The third proportional to 337.13 and 692.63 is: 1,423.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.13 : 692.63 = 692.63 : x
  2. Step 2: Convert to fraction form
    337.13/692.63 = 692.63/x
  3. Step 3: Cross multiply
    337.13x = 692.63 × 692.63
  4. Step 4: Simplify right side
    337.13x = 479,729.39
  5. Step 5: Solve for x
    x = 479,729.39/337.13
  6. Step 6: Final answer
    x = 1,423.00

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.