Home / 198,408-302,272

Finding the Third Proportional to 198,408 and 302,272

Calculator

Solution

The third proportional to 198,408 and 302,272 is: 460,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,408 : 302,272 = 302,272 : x
  2. Step 2: Convert to fraction form
    198,408/302,272 = 302,272/x
  3. Step 3: Cross multiply
    198,408x = 302,272 × 302,272
  4. Step 4: Simplify right side
    198,408x = 91,368,361,984
  5. Step 5: Solve for x
    x = 91,368,361,984/198,408
  6. Step 6: Final answer
    x = 460,507.45

Related Problems

Find third proportional to 99,204 and 151,136
Half scale
Find third proportional to 396,816 and 604,544
Double scale
Find third proportional to 198,410 and 302,275
Similar ratio
Find third proportional to 297,612 and 453,408
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.