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Finding the Third Proportional to 288,104 and 436,132

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Solution

The third proportional to 288,104 and 436,132 is: 660,216.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,104 : 436,132 = 436,132 : x
  2. Step 2: Convert to fraction form
    288,104/436,132 = 436,132/x
  3. Step 3: Cross multiply
    288,104x = 436,132 × 436,132
  4. Step 4: Simplify right side
    288,104x = 190,211,121,424
  5. Step 5: Solve for x
    x = 190,211,121,424/288,104
  6. Step 6: Final answer
    x = 660,216.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.