Home / 140,985,438-215,530,392

Finding the Third Proportional to 140,985,438 and 215,530,392

Calculator

Solution

The third proportional to 140,985,438 and 215,530,392 is: 329,490,410.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,985,438 : 215,530,392 = 215,530,392 : x
  2. Step 2: Convert to fraction form
    140,985,438/215,530,392 = 215,530,392/x
  3. Step 3: Cross multiply
    140,985,438x = 215,530,392 × 215,530,392
  4. Step 4: Simplify right side
    140,985,438x = 46,453,349,875,673,664
  5. Step 5: Solve for x
    x = 46,453,349,875,673,664/140,985,438
  6. Step 6: Final answer
    x = 329,490,410.74

Related Problems

Find third proportional to 70,492,719 and 107,765,196
Half scale
Find third proportional to 281,970,876 and 431,060,784
Double scale
Find third proportional to 140,985,440 and 215,530,395
Similar ratio
Find third proportional to 211,478,157 and 323,295,588
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.