Home / 444,884-689,442

Finding the Third Proportional to 444,884 and 689,442

Calculator

Solution

The third proportional to 444,884 and 689,442 is: 1,068,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,884 : 689,442 = 689,442 : x
  2. Step 2: Convert to fraction form
    444,884/689,442 = 689,442/x
  3. Step 3: Cross multiply
    444,884x = 689,442 × 689,442
  4. Step 4: Simplify right side
    444,884x = 475,330,271,364
  5. Step 5: Solve for x
    x = 475,330,271,364/444,884
  6. Step 6: Final answer
    x = 1,068,436.43

Related Problems

Find third proportional to 222,442 and 344,721
Half scale
Find third proportional to 889,768 and 1,378,884
Double scale
Find third proportional to 444,886 and 689,445
Similar ratio
Find third proportional to 667,326 and 1,034,163
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.