Home / 129,204,289.69-198,596,333.81

Finding the Third Proportional to 129,204,289.69 and 198,596,333.81

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Solution

The third proportional to 129,204,289.69 and 198,596,333.81 is: 305,256,922.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,204,289.69 : 198,596,333.81 = 198,596,333.81 : x
  2. Step 2: Convert to fraction form
    129,204,289.69/198,596,333.81 = 198,596,333.81/x
  3. Step 3: Cross multiply
    129,204,289.69x = 198,596,333.81 × 198,596,333.81
  4. Step 4: Simplify right side
    129,204,289.69x = 39,440,503,803,765,928
  5. Step 5: Solve for x
    x = 39,440,503,803,765,928/129,204,289.69
  6. Step 6: Final answer
    x = 305,256,922.19

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.