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Finding the Third Proportional to 188,089,632 and 290,515,632

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Solution

The third proportional to 188,089,632 and 290,515,632 is: 448,718,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,089,632 : 290,515,632 = 290,515,632 : x
  2. Step 2: Convert to fraction form
    188,089,632/290,515,632 = 290,515,632/x
  3. Step 3: Cross multiply
    188,089,632x = 290,515,632 × 290,515,632
  4. Step 4: Simplify right side
    188,089,632x = 84,399,332,436,359,424
  5. Step 5: Solve for x
    x = 84,399,332,436,359,424/188,089,632
  6. Step 6: Final answer
    x = 448,718,685.55

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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.