Home / 45-89.44

Finding the Third Proportional to 45 and 89.44

Calculator

Solution

The third proportional to 45 and 89.44 is: 177.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45 : 89.44 = 89.44 : x
  2. Step 2: Convert to fraction form
    45/89.44 = 89.44/x
  3. Step 3: Cross multiply
    45x = 89.44 × 89.44
  4. Step 4: Simplify right side
    45x = 7,999.07
  5. Step 5: Solve for x
    x = 7,999.07/45
  6. Step 6: Final answer
    x = 177.76

Related Problems

Find third proportional to 22.50 and 44.72
Half scale
Find third proportional to 90 and 178.88
Double scale
Find third proportional to 47 and 93
Similar ratio
Find third proportional to 67.50 and 134.16
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.99) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.