Home / 493.50-651.75

Finding the Third Proportional to 493.50 and 651.75

Calculator

Solution

The third proportional to 493.50 and 651.75 is: 860.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.50 : 651.75 = 651.75 : x
  2. Step 2: Convert to fraction form
    493.50/651.75 = 651.75/x
  3. Step 3: Cross multiply
    493.50x = 651.75 × 651.75
  4. Step 4: Simplify right side
    493.50x = 424,778.06
  5. Step 5: Solve for x
    x = 424,778.06/493.50
  6. Step 6: Final answer
    x = 860.75

Related Problems

Find third proportional to 246.75 and 325.88
Half scale
Find third proportional to 987 and 1,303.50
Double scale
Find third proportional to 496 and 654
Similar ratio
Find third proportional to 740.25 and 977.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.