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Finding the Third Proportional to 293,867 and 436,480

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Solution

The third proportional to 293,867 and 436,480 is: 648,302.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,867 : 436,480 = 436,480 : x
  2. Step 2: Convert to fraction form
    293,867/436,480 = 436,480/x
  3. Step 3: Cross multiply
    293,867x = 436,480 × 436,480
  4. Step 4: Simplify right side
    293,867x = 190,514,790,400
  5. Step 5: Solve for x
    x = 190,514,790,400/293,867
  6. Step 6: Final answer
    x = 648,302.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.