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Finding the Third Proportional to 128,881,444 and 195,194,022

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Solution

The third proportional to 128,881,444 and 195,194,022 is: 295,626,003.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,881,444 : 195,194,022 = 195,194,022 : x
  2. Step 2: Convert to fraction form
    128,881,444/195,194,022 = 195,194,022/x
  3. Step 3: Cross multiply
    128,881,444x = 195,194,022 × 195,194,022
  4. Step 4: Simplify right side
    128,881,444x = 38,100,706,224,536,480
  5. Step 5: Solve for x
    x = 38,100,706,224,536,480/128,881,444
  6. Step 6: Final answer
    x = 295,626,003.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.