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Finding the Third Proportional to 1,373 and 1,550

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Solution

The third proportional to 1,373 and 1,550 is: 1,749.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373 : 1,550 = 1,550 : x
  2. Step 2: Convert to fraction form
    1,373/1,550 = 1,550/x
  3. Step 3: Cross multiply
    1,373x = 1,550 × 1,550
  4. Step 4: Simplify right side
    1,373x = 2,402,500
  5. Step 5: Solve for x
    x = 2,402,500/1,373
  6. Step 6: Final answer
    x = 1,749.82

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Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.