Home / 751.78-1,127.67

Finding the Third Proportional to 751.78 and 1,127.67

Calculator

Solution

The third proportional to 751.78 and 1,127.67 is: 1,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    751.78 : 1,127.67 = 1,127.67 : x
  2. Step 2: Convert to fraction form
    751.78/1,127.67 = 1,127.67/x
  3. Step 3: Cross multiply
    751.78x = 1,127.67 × 1,127.67
  4. Step 4: Simplify right side
    751.78x = 1,271,643.86
  5. Step 5: Solve for x
    x = 1,271,643.86/751.78
  6. Step 6: Final answer
    x = 1,691.51

Related Problems

Find third proportional to 375.89 and 563.84
Half scale
Find third proportional to 1,503.56 and 2,255.34
Double scale
Find third proportional to 754 and 1,131
Similar ratio
Find third proportional to 1,127.67 and 1,691.51
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.