Home / 155,871-330,291

Finding the Third Proportional to 155,871 and 330,291

Calculator

Solution

The third proportional to 155,871 and 330,291 is: 699,887.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,871 : 330,291 = 330,291 : x
  2. Step 2: Convert to fraction form
    155,871/330,291 = 330,291/x
  3. Step 3: Cross multiply
    155,871x = 330,291 × 330,291
  4. Step 4: Simplify right side
    155,871x = 109,092,144,681
  5. Step 5: Solve for x
    x = 109,092,144,681/155,871
  6. Step 6: Final answer
    x = 699,887.37

Related Problems

Find third proportional to 77,935.50 and 165,145.50
Half scale
Find third proportional to 311,742 and 660,582
Double scale
Find third proportional to 155,873 and 330,295
Similar ratio
Find third proportional to 233,806.50 and 495,436.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.