Home / 674.25-979.88

Finding the Third Proportional to 674.25 and 979.88

Calculator

Solution

The third proportional to 674.25 and 979.88 is: 1,424.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    674.25 : 979.88 = 979.88 : x
  2. Step 2: Convert to fraction form
    674.25/979.88 = 979.88/x
  3. Step 3: Cross multiply
    674.25x = 979.88 × 979.88
  4. Step 4: Simplify right side
    674.25x = 960,155.02
  5. Step 5: Solve for x
    x = 960,155.02/674.25
  6. Step 6: Final answer
    x = 1,424.03

Related Problems

Find third proportional to 337.13 and 489.94
Half scale
Find third proportional to 1,348.50 and 1,959.75
Double scale
Find third proportional to 676 and 983
Similar ratio
Find third proportional to 1,011.38 and 1,469.81
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.