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Finding the Third Proportional to 601.13 and 921.56

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Solution

The third proportional to 601.13 and 921.56 is: 1,412.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.13 : 921.56 = 921.56 : x
  2. Step 2: Convert to fraction form
    601.13/921.56 = 921.56/x
  3. Step 3: Cross multiply
    601.13x = 921.56 × 921.56
  4. Step 4: Simplify right side
    601.13x = 849,277.44
  5. Step 5: Solve for x
    x = 849,277.44/601.13
  6. Step 6: Final answer
    x = 1,412.81

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.