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Finding the Third Proportional to 143,939,200 and 313,435,520

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Solution

The third proportional to 143,939,200 and 313,435,520 is: 682,523,073.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,939,200 : 313,435,520 = 313,435,520 : x
  2. Step 2: Convert to fraction form
    143,939,200/313,435,520 = 313,435,520/x
  3. Step 3: Cross multiply
    143,939,200x = 313,435,520 × 313,435,520
  4. Step 4: Simplify right side
    143,939,200x = 98,241,825,197,670,400
  5. Step 5: Solve for x
    x = 98,241,825,197,670,400/143,939,200
  6. Step 6: Final answer
    x = 682,523,073.61

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.