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Finding the Third Proportional to 749.63 and 1,162.88

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Solution

The third proportional to 749.63 and 1,162.88 is: 1,803.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    749.63 : 1,162.88 = 1,162.88 : x
  2. Step 2: Convert to fraction form
    749.63/1,162.88 = 1,162.88/x
  3. Step 3: Cross multiply
    749.63x = 1,162.88 × 1,162.88
  4. Step 4: Simplify right side
    749.63x = 1,352,278.27
  5. Step 5: Solve for x
    x = 1,352,278.27/749.63
  6. Step 6: Final answer
    x = 1,803.94

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.