Home / 212,928-454,422

Finding the Third Proportional to 212,928 and 454,422

Calculator

Solution

The third proportional to 212,928 and 454,422 is: 969,808.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,928 : 454,422 = 454,422 : x
  2. Step 2: Convert to fraction form
    212,928/454,422 = 454,422/x
  3. Step 3: Cross multiply
    212,928x = 454,422 × 454,422
  4. Step 4: Simplify right side
    212,928x = 206,499,354,084
  5. Step 5: Solve for x
    x = 206,499,354,084/212,928
  6. Step 6: Final answer
    x = 969,808.36

Related Problems

Find third proportional to 106,464 and 227,211
Half scale
Find third proportional to 425,856 and 908,844
Double scale
Find third proportional to 212,930 and 454,426
Similar ratio
Find third proportional to 319,392 and 681,633
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.