Home / 603.91-1,128.09

Finding the Third Proportional to 603.91 and 1,128.09

Calculator

Solution

The third proportional to 603.91 and 1,128.09 is: 2,107.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.91 : 1,128.09 = 1,128.09 : x
  2. Step 2: Convert to fraction form
    603.91/1,128.09 = 1,128.09/x
  3. Step 3: Cross multiply
    603.91x = 1,128.09 × 1,128.09
  4. Step 4: Simplify right side
    603.91x = 1,272,595.51
  5. Step 5: Solve for x
    x = 1,272,595.51/603.91
  6. Step 6: Final answer
    x = 2,107.25

Related Problems

Find third proportional to 301.96 and 564.05
Half scale
Find third proportional to 1,207.83 and 2,256.19
Double scale
Find third proportional to 606 and 1,132
Similar ratio
Find third proportional to 905.87 and 1,692.14
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.