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Finding the Third Proportional to 143,209,336 and 220,250,940

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Solution

The third proportional to 143,209,336 and 220,250,940 is: 338,738,227.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,209,336 : 220,250,940 = 220,250,940 : x
  2. Step 2: Convert to fraction form
    143,209,336/220,250,940 = 220,250,940/x
  3. Step 3: Cross multiply
    143,209,336x = 220,250,940 × 220,250,940
  4. Step 4: Simplify right side
    143,209,336x = 48,510,476,570,883,600
  5. Step 5: Solve for x
    x = 48,510,476,570,883,600/143,209,336
  6. Step 6: Final answer
    x = 338,738,227.03

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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.