Home / 725.20-1,587.09

Finding the Third Proportional to 725.20 and 1,587.09

Calculator

Solution

The third proportional to 725.20 and 1,587.09 is: 3,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    725.20 : 1,587.09 = 1,587.09 : x
  2. Step 2: Convert to fraction form
    725.20/1,587.09 = 1,587.09/x
  3. Step 3: Cross multiply
    725.20x = 1,587.09 × 1,587.09
  4. Step 4: Simplify right side
    725.20x = 2,518,866.57
  5. Step 5: Solve for x
    x = 2,518,866.57/725.20
  6. Step 6: Final answer
    x = 3,473.33

Related Problems

Find third proportional to 362.60 and 793.55
Half scale
Find third proportional to 1,450.41 and 3,174.19
Double scale
Find third proportional to 727 and 1,591
Similar ratio
Find third proportional to 1,087.80 and 2,380.64
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.