Home / 627.75-979.88

Finding the Third Proportional to 627.75 and 979.88

Calculator

Solution

The third proportional to 627.75 and 979.88 is: 1,529.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.75 : 979.88 = 979.88 : x
  2. Step 2: Convert to fraction form
    627.75/979.88 = 979.88/x
  3. Step 3: Cross multiply
    627.75x = 979.88 × 979.88
  4. Step 4: Simplify right side
    627.75x = 960,155.02
  5. Step 5: Solve for x
    x = 960,155.02/627.75
  6. Step 6: Final answer
    x = 1,529.52

Related Problems

Find third proportional to 313.88 and 489.94
Half scale
Find third proportional to 1,255.50 and 1,959.75
Double scale
Find third proportional to 630 and 983
Similar ratio
Find third proportional to 941.63 and 1,469.81
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.