Home / 212,808-456,974

Finding the Third Proportional to 212,808 and 456,974

Calculator

Solution

The third proportional to 212,808 and 456,974 is: 981,284.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,808 : 456,974 = 456,974 : x
  2. Step 2: Convert to fraction form
    212,808/456,974 = 456,974/x
  3. Step 3: Cross multiply
    212,808x = 456,974 × 456,974
  4. Step 4: Simplify right side
    212,808x = 208,825,236,676
  5. Step 5: Solve for x
    x = 208,825,236,676/212,808
  6. Step 6: Final answer
    x = 981,284.71

Related Problems

Find third proportional to 106,404 and 228,487
Half scale
Find third proportional to 425,616 and 913,948
Double scale
Find third proportional to 212,810 and 456,978
Similar ratio
Find third proportional to 319,212 and 685,461
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.