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Finding the Third Proportional to 90,814,680 and 136,089,180

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Solution

The third proportional to 90,814,680 and 136,089,180 is: 203,934,704.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,814,680 : 136,089,180 = 136,089,180 : x
  2. Step 2: Convert to fraction form
    90,814,680/136,089,180 = 136,089,180/x
  3. Step 3: Cross multiply
    90,814,680x = 136,089,180 × 136,089,180
  4. Step 4: Simplify right side
    90,814,680x = 18,520,264,913,072,400
  5. Step 5: Solve for x
    x = 18,520,264,913,072,400/90,814,680
  6. Step 6: Final answer
    x = 203,934,704.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.