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Finding the Third Proportional to 1,176.75 and 1,337.63

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Solution

The third proportional to 1,176.75 and 1,337.63 is: 1,520.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.75 : 1,337.63 = 1,337.63 : x
  2. Step 2: Convert to fraction form
    1,176.75/1,337.63 = 1,337.63/x
  3. Step 3: Cross multiply
    1,176.75x = 1,337.63 × 1,337.63
  4. Step 4: Simplify right side
    1,176.75x = 1,789,240.64
  5. Step 5: Solve for x
    x = 1,789,240.64/1,176.75
  6. Step 6: Final answer
    x = 1,520.49

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.