Home / 158,539-330,200

Finding the Third Proportional to 158,539 and 330,200

Calculator

Solution

The third proportional to 158,539 and 330,200 is: 687,730.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,539 : 330,200 = 330,200 : x
  2. Step 2: Convert to fraction form
    158,539/330,200 = 330,200/x
  3. Step 3: Cross multiply
    158,539x = 330,200 × 330,200
  4. Step 4: Simplify right side
    158,539x = 109,032,040,000
  5. Step 5: Solve for x
    x = 109,032,040,000/158,539
  6. Step 6: Final answer
    x = 687,730.09

Related Problems

Find third proportional to 79,269.50 and 165,100
Half scale
Find third proportional to 317,078 and 660,400
Double scale
Find third proportional to 158,541 and 330,204
Similar ratio
Find third proportional to 237,808.50 and 495,300
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.