Home / 468.12-676.79

Finding the Third Proportional to 468.12 and 676.79

Calculator

Solution

The third proportional to 468.12 and 676.79 is: 978.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.12 : 676.79 = 676.79 : x
  2. Step 2: Convert to fraction form
    468.12/676.79 = 676.79/x
  3. Step 3: Cross multiply
    468.12x = 676.79 × 676.79
  4. Step 4: Simplify right side
    468.12x = 458,048.72
  5. Step 5: Solve for x
    x = 458,048.72/468.12
  6. Step 6: Final answer
    x = 978.48

Related Problems

Find third proportional to 234.06 and 338.40
Half scale
Find third proportional to 936.25 and 1,353.59
Double scale
Find third proportional to 470 and 680
Similar ratio
Find third proportional to 702.18 and 1,015.19
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.