Home / 129,427,231.50-174,921,489.56

Finding the Third Proportional to 129,427,231.50 and 174,921,489.56

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Solution

The third proportional to 129,427,231.50 and 174,921,489.56 is: 236,407,185.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,427,231.50 : 174,921,489.56 = 174,921,489.56 : x
  2. Step 2: Convert to fraction form
    129,427,231.50/174,921,489.56 = 174,921,489.56/x
  3. Step 3: Cross multiply
    129,427,231.50x = 174,921,489.56 × 174,921,489.56
  4. Step 4: Simplify right side
    129,427,231.50x = 30,597,527,510,763,796
  5. Step 5: Solve for x
    x = 30,597,527,510,763,796/129,427,231.50
  6. Step 6: Final answer
    x = 236,407,185.38

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.