Home / 215,618,361.50-469,015,289.25

Finding the Third Proportional to 215,618,361.50 and 469,015,289.25

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Solution

The third proportional to 215,618,361.50 and 469,015,289.25 is: 1,020,206,906.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,618,361.50 : 469,015,289.25 = 469,015,289.25 : x
  2. Step 2: Convert to fraction form
    215,618,361.50/469,015,289.25 = 469,015,289.25/x
  3. Step 3: Cross multiply
    215,618,361.50x = 469,015,289.25 × 469,015,289.25
  4. Step 4: Simplify right side
    215,618,361.50x = 219,975,341,550,261,152
  5. Step 5: Solve for x
    x = 219,975,341,550,261,152/215,618,361.50
  6. Step 6: Final answer
    x = 1,020,206,906.41

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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.