Home / 444.75-646.50

Finding the Third Proportional to 444.75 and 646.50

Calculator

Solution

The third proportional to 444.75 and 646.50 is: 939.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.75 : 646.50 = 646.50 : x
  2. Step 2: Convert to fraction form
    444.75/646.50 = 646.50/x
  3. Step 3: Cross multiply
    444.75x = 646.50 × 646.50
  4. Step 4: Simplify right side
    444.75x = 417,962.25
  5. Step 5: Solve for x
    x = 417,962.25/444.75
  6. Step 6: Final answer
    x = 939.77

Related Problems

Find third proportional to 222.38 and 323.25
Half scale
Find third proportional to 889.50 and 1,293
Double scale
Find third proportional to 447 and 649
Similar ratio
Find third proportional to 667.13 and 969.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.