Home / 194,660-420,392

Finding the Third Proportional to 194,660 and 420,392

Calculator

Solution

The third proportional to 194,660 and 420,392 is: 907,887.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,660 : 420,392 = 420,392 : x
  2. Step 2: Convert to fraction form
    194,660/420,392 = 420,392/x
  3. Step 3: Cross multiply
    194,660x = 420,392 × 420,392
  4. Step 4: Simplify right side
    194,660x = 176,729,433,664
  5. Step 5: Solve for x
    x = 176,729,433,664/194,660
  6. Step 6: Final answer
    x = 907,887.77

Related Problems

Find third proportional to 97,330 and 210,196
Half scale
Find third proportional to 389,320 and 840,784
Double scale
Find third proportional to 194,662 and 420,396
Similar ratio
Find third proportional to 291,990 and 630,588
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.