Home / 46.24-78.60

Finding the Third Proportional to 46.24 and 78.60

Calculator

Solution

The third proportional to 46.24 and 78.60 is: 133.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.24 : 78.60 = 78.60 : x
  2. Step 2: Convert to fraction form
    46.24/78.60 = 78.60/x
  3. Step 3: Cross multiply
    46.24x = 78.60 × 78.60
  4. Step 4: Simplify right side
    46.24x = 6,178.22
  5. Step 5: Solve for x
    x = 6,178.22/46.24
  6. Step 6: Final answer
    x = 133.62

Related Problems

Find third proportional to 23.12 and 39.30
Half scale
Find third proportional to 92.47 and 157.20
Double scale
Find third proportional to 48 and 82
Similar ratio
Find third proportional to 69.35 and 117.90
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.