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Finding the Third Proportional to 154,128 and 225,858

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Solution

The third proportional to 154,128 and 225,858 is: 330,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,128 : 225,858 = 225,858 : x
  2. Step 2: Convert to fraction form
    154,128/225,858 = 225,858/x
  3. Step 3: Cross multiply
    154,128x = 225,858 × 225,858
  4. Step 4: Simplify right side
    154,128x = 51,011,836,164
  5. Step 5: Solve for x
    x = 51,011,836,164/154,128
  6. Step 6: Final answer
    x = 330,970.60

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.