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Finding the Third Proportional to 358.25 and 501.63

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Solution

The third proportional to 358.25 and 501.63 is: 702.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.25 : 501.63 = 501.63 : x
  2. Step 2: Convert to fraction form
    358.25/501.63 = 501.63/x
  3. Step 3: Cross multiply
    358.25x = 501.63 × 501.63
  4. Step 4: Simplify right side
    358.25x = 251,627.64
  5. Step 5: Solve for x
    x = 251,627.64/358.25
  6. Step 6: Final answer
    x = 702.38

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.