Home / 128,532,395.53-195,810,213.80

Finding the Third Proportional to 128,532,395.53 and 195,810,213.80

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Solution

The third proportional to 128,532,395.53 and 195,810,213.80 is: 298,303,316.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,532,395.53 : 195,810,213.80 = 195,810,213.80 : x
  2. Step 2: Convert to fraction form
    128,532,395.53/195,810,213.80 = 195,810,213.80/x
  3. Step 3: Cross multiply
    128,532,395.53x = 195,810,213.80 × 195,810,213.80
  4. Step 4: Simplify right side
    128,532,395.53x = 38,341,639,827,179,856
  5. Step 5: Solve for x
    x = 38,341,639,827,179,856/128,532,395.53
  6. Step 6: Final answer
    x = 298,303,316.21

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.