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Finding the Third Proportional to 380.25 and 592.25

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Solution

The third proportional to 380.25 and 592.25 is: 922.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    380.25 : 592.25 = 592.25 : x
  2. Step 2: Convert to fraction form
    380.25/592.25 = 592.25/x
  3. Step 3: Cross multiply
    380.25x = 592.25 × 592.25
  4. Step 4: Simplify right side
    380.25x = 350,760.06
  5. Step 5: Solve for x
    x = 350,760.06/380.25
  6. Step 6: Final answer
    x = 922.45

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.