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Finding the Third Proportional to 236,811.75 and 321,490.13

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Solution

The third proportional to 236,811.75 and 321,490.13 is: 436,447.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,811.75 : 321,490.13 = 321,490.13 : x
  2. Step 2: Convert to fraction form
    236,811.75/321,490.13 = 321,490.13/x
  3. Step 3: Cross multiply
    236,811.75x = 321,490.13 × 321,490.13
  4. Step 4: Simplify right side
    236,811.75x = 103,355,900,472.52
  5. Step 5: Solve for x
    x = 103,355,900,472.52/236,811.75
  6. Step 6: Final answer
    x = 436,447.52

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.