Home / 433.50-646.50

Finding the Third Proportional to 433.50 and 646.50

Calculator

Solution

The third proportional to 433.50 and 646.50 is: 964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.50 : 646.50 = 646.50 : x
  2. Step 2: Convert to fraction form
    433.50/646.50 = 646.50/x
  3. Step 3: Cross multiply
    433.50x = 646.50 × 646.50
  4. Step 4: Simplify right side
    433.50x = 417,962.25
  5. Step 5: Solve for x
    x = 417,962.25/433.50
  6. Step 6: Final answer
    x = 964.16

Related Problems

Find third proportional to 216.75 and 323.25
Half scale
Find third proportional to 867 and 1,293
Double scale
Find third proportional to 436 and 649
Similar ratio
Find third proportional to 650.25 and 969.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.