Home / 112.50-245

Finding the Third Proportional to 112.50 and 245

Calculator

Solution

The third proportional to 112.50 and 245 is: 533.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112.50 : 245 = 245 : x
  2. Step 2: Convert to fraction form
    112.50/245 = 245/x
  3. Step 3: Cross multiply
    112.50x = 245 × 245
  4. Step 4: Simplify right side
    112.50x = 60,025
  5. Step 5: Solve for x
    x = 60,025/112.50
  6. Step 6: Final answer
    x = 533.56

Related Problems

Find third proportional to 56.25 and 122.50
Half scale
Find third proportional to 225 and 490
Double scale
Find third proportional to 115 and 249
Similar ratio
Find third proportional to 168.75 and 367.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.