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Finding the Third Proportional to 293.63 and 409.50

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Solution

The third proportional to 293.63 and 409.50 is: 571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.63 : 409.50 = 409.50 : x
  2. Step 2: Convert to fraction form
    293.63/409.50 = 409.50/x
  3. Step 3: Cross multiply
    293.63x = 409.50 × 409.50
  4. Step 4: Simplify right side
    293.63x = 167,690.25
  5. Step 5: Solve for x
    x = 167,690.25/293.63
  6. Step 6: Final answer
    x = 571.10

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.