Home / 494.63-786.56

Finding the Third Proportional to 494.63 and 786.56

Calculator

Solution

The third proportional to 494.63 and 786.56 is: 1,250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.63 : 786.56 = 786.56 : x
  2. Step 2: Convert to fraction form
    494.63/786.56 = 786.56/x
  3. Step 3: Cross multiply
    494.63x = 786.56 × 786.56
  4. Step 4: Simplify right side
    494.63x = 618,680.57
  5. Step 5: Solve for x
    x = 618,680.57/494.63
  6. Step 6: Final answer
    x = 1,250.81

Related Problems

Find third proportional to 247.31 and 393.28
Half scale
Find third proportional to 989.25 and 1,573.13
Double scale
Find third proportional to 497 and 790
Similar ratio
Find third proportional to 741.94 and 1,179.84
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.