Home / 139,720,702,871.53-303,921,914,739.18

Finding the Third Proportional to 139,720,702,871.53 and 303,921,914,739.18

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Solution

The third proportional to 139,720,702,871.53 and 303,921,914,739.18 is: 661,094,085,274.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,720,702,871.53 : 303,921,914,739.18 = 303,921,914,739.18 : x
  2. Step 2: Convert to fraction form
    139,720,702,871.53/303,921,914,739.18 = 303,921,914,739.18/x
  3. Step 3: Cross multiply
    139,720,702,871.53x = 303,921,914,739.18 × 303,921,914,739.18
  4. Step 4: Simplify right side
    139,720,702,871.53x = 92,368,530,258,729,396,862,976
  5. Step 5: Solve for x
    x = 92,368,530,258,729,396,862,976/139,720,702,871.53
  6. Step 6: Final answer
    x = 661,094,085,274.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.