Home / 128,199,258-260,929,158

Finding the Third Proportional to 128,199,258 and 260,929,158

Calculator

Solution

The third proportional to 128,199,258 and 260,929,158 is: 531,079,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,199,258 : 260,929,158 = 260,929,158 : x
  2. Step 2: Convert to fraction form
    128,199,258/260,929,158 = 260,929,158/x
  3. Step 3: Cross multiply
    128,199,258x = 260,929,158 × 260,929,158
  4. Step 4: Simplify right side
    128,199,258x = 68,084,025,494,588,960
  5. Step 5: Solve for x
    x = 68,084,025,494,588,960/128,199,258
  6. Step 6: Final answer
    x = 531,079,715.72

Related Problems

Find third proportional to 64,099,629 and 130,464,579
Half scale
Find third proportional to 256,398,516 and 521,858,316
Double scale
Find third proportional to 128,199,260 and 260,929,162
Similar ratio
Find third proportional to 192,298,887 and 391,393,737
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.