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Finding the Third Proportional to 228,921.19 and 336,532.22

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Solution

The third proportional to 228,921.19 and 336,532.22 is: 494,728.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,921.19 : 336,532.22 = 336,532.22 : x
  2. Step 2: Convert to fraction form
    228,921.19/336,532.22 = 336,532.22/x
  3. Step 3: Cross multiply
    228,921.19x = 336,532.22 × 336,532.22
  4. Step 4: Simplify right side
    228,921.19x = 113,253,934,256.80
  5. Step 5: Solve for x
    x = 113,253,934,256.80/228,921.19
  6. Step 6: Final answer
    x = 494,728.93

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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.