Home / 576-679.50

Finding the Third Proportional to 576 and 679.50

Calculator

Solution

The third proportional to 576 and 679.50 is: 801.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    576 : 679.50 = 679.50 : x
  2. Step 2: Convert to fraction form
    576/679.50 = 679.50/x
  3. Step 3: Cross multiply
    576x = 679.50 × 679.50
  4. Step 4: Simplify right side
    576x = 461,720.25
  5. Step 5: Solve for x
    x = 461,720.25/576
  6. Step 6: Final answer
    x = 801.60

Related Problems

Find third proportional to 288 and 339.75
Half scale
Find third proportional to 1,152 and 1,359
Double scale
Find third proportional to 578 and 682
Similar ratio
Find third proportional to 864 and 1,019.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.