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Finding the Third Proportional to 935.50 and 1,271

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Solution

The third proportional to 935.50 and 1,271 is: 1,726.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.50 : 1,271 = 1,271 : x
  2. Step 2: Convert to fraction form
    935.50/1,271 = 1,271/x
  3. Step 3: Cross multiply
    935.50x = 1,271 × 1,271
  4. Step 4: Simplify right side
    935.50x = 1,615,441
  5. Step 5: Solve for x
    x = 1,615,441/935.50
  6. Step 6: Final answer
    x = 1,726.82

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.