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Finding the Third Proportional to 734.63 and 1,091.25

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Solution

The third proportional to 734.63 and 1,091.25 is: 1,621.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    734.63 : 1,091.25 = 1,091.25 : x
  2. Step 2: Convert to fraction form
    734.63/1,091.25 = 1,091.25/x
  3. Step 3: Cross multiply
    734.63x = 1,091.25 × 1,091.25
  4. Step 4: Simplify right side
    734.63x = 1,190,826.56
  5. Step 5: Solve for x
    x = 1,190,826.56/734.63
  6. Step 6: Final answer
    x = 1,621.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.