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Finding the Third Proportional to 749.63 and 1,440.94

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Solution

The third proportional to 749.63 and 1,440.94 is: 2,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    749.63 : 1,440.94 = 1,440.94 : x
  2. Step 2: Convert to fraction form
    749.63/1,440.94 = 1,440.94/x
  3. Step 3: Cross multiply
    749.63x = 1,440.94 × 1,440.94
  4. Step 4: Simplify right side
    749.63x = 2,076,300.88
  5. Step 5: Solve for x
    x = 2,076,300.88/749.63
  6. Step 6: Final answer
    x = 2,769.79

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.