Home / 587.99-1,285.29

Finding the Third Proportional to 587.99 and 1,285.29

Calculator

Solution

The third proportional to 587.99 and 1,285.29 is: 2,809.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.99 : 1,285.29 = 1,285.29 : x
  2. Step 2: Convert to fraction form
    587.99/1,285.29 = 1,285.29/x
  3. Step 3: Cross multiply
    587.99x = 1,285.29 × 1,285.29
  4. Step 4: Simplify right side
    587.99x = 1,651,983.04
  5. Step 5: Solve for x
    x = 1,651,983.04/587.99
  6. Step 6: Final answer
    x = 2,809.55

Related Problems

Find third proportional to 293.99 and 642.65
Half scale
Find third proportional to 1,175.98 and 2,570.59
Double scale
Find third proportional to 590 and 1,290
Similar ratio
Find third proportional to 881.98 and 1,927.94
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.