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Finding the Third Proportional to 236,439 and 325,128

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Solution

The third proportional to 236,439 and 325,128 is: 447,084.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,439 : 325,128 = 325,128 : x
  2. Step 2: Convert to fraction form
    236,439/325,128 = 325,128/x
  3. Step 3: Cross multiply
    236,439x = 325,128 × 325,128
  4. Step 4: Simplify right side
    236,439x = 105,708,216,384
  5. Step 5: Solve for x
    x = 105,708,216,384/236,439
  6. Step 6: Final answer
    x = 447,084.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.