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Finding the Third Proportional to 719.44 and 1,029.75

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Solution

The third proportional to 719.44 and 1,029.75 is: 1,473.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    719.44 : 1,029.75 = 1,029.75 : x
  2. Step 2: Convert to fraction form
    719.44/1,029.75 = 1,029.75/x
  3. Step 3: Cross multiply
    719.44x = 1,029.75 × 1,029.75
  4. Step 4: Simplify right side
    719.44x = 1,060,385.06
  5. Step 5: Solve for x
    x = 1,060,385.06/719.44
  6. Step 6: Final answer
    x = 1,473.91

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.