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Finding the Third Proportional to 269,436.75 and 374,630.25

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Solution

The third proportional to 269,436.75 and 374,630.25 is: 520,893.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,436.75 : 374,630.25 = 374,630.25 : x
  2. Step 2: Convert to fraction form
    269,436.75/374,630.25 = 374,630.25/x
  3. Step 3: Cross multiply
    269,436.75x = 374,630.25 × 374,630.25
  4. Step 4: Simplify right side
    269,436.75x = 140,347,824,215.06
  5. Step 5: Solve for x
    x = 140,347,824,215.06/269,436.75
  6. Step 6: Final answer
    x = 520,893.40

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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.