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Finding the Third Proportional to 614.46 and 1,528.56

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Solution

The third proportional to 614.46 and 1,528.56 is: 3,802.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.46 : 1,528.56 = 1,528.56 : x
  2. Step 2: Convert to fraction form
    614.46/1,528.56 = 1,528.56/x
  3. Step 3: Cross multiply
    614.46x = 1,528.56 × 1,528.56
  4. Step 4: Simplify right side
    614.46x = 2,336,491.37
  5. Step 5: Solve for x
    x = 2,336,491.37/614.46
  6. Step 6: Final answer
    x = 3,802.51

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Why These Related Problems?

These problems maintain the same ratio (2.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.