Home / 139,831,892-211,690,830

Finding the Third Proportional to 139,831,892 and 211,690,830

Calculator

Solution

The third proportional to 139,831,892 and 211,690,830 is: 320,477,731.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,831,892 : 211,690,830 = 211,690,830 : x
  2. Step 2: Convert to fraction form
    139,831,892/211,690,830 = 211,690,830/x
  3. Step 3: Cross multiply
    139,831,892x = 211,690,830 × 211,690,830
  4. Step 4: Simplify right side
    139,831,892x = 44,813,007,506,088,896
  5. Step 5: Solve for x
    x = 44,813,007,506,088,896/139,831,892
  6. Step 6: Final answer
    x = 320,477,731.26

Related Problems

Find third proportional to 69,915,946 and 105,845,415
Half scale
Find third proportional to 279,663,784 and 423,381,660
Double scale
Find third proportional to 139,831,894 and 211,690,833
Similar ratio
Find third proportional to 209,747,838 and 317,536,245
1.5x scale

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.