Home / 444,890-689,452

Finding the Third Proportional to 444,890 and 689,452

Calculator

Solution

The third proportional to 444,890 and 689,452 is: 1,068,453.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,890 : 689,452 = 689,452 : x
  2. Step 2: Convert to fraction form
    444,890/689,452 = 689,452/x
  3. Step 3: Cross multiply
    444,890x = 689,452 × 689,452
  4. Step 4: Simplify right side
    444,890x = 475,344,060,304
  5. Step 5: Solve for x
    x = 475,344,060,304/444,890
  6. Step 6: Final answer
    x = 1,068,453.01

Related Problems

Find third proportional to 222,445 and 344,726
Half scale
Find third proportional to 889,780 and 1,378,904
Double scale
Find third proportional to 444,892 and 689,455
Similar ratio
Find third proportional to 667,335 and 1,034,178
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.