Home / 198,308-302,108

Finding the Third Proportional to 198,308 and 302,108

Calculator

Solution

The third proportional to 198,308 and 302,108 is: 460,239.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,308 : 302,108 = 302,108 : x
  2. Step 2: Convert to fraction form
    198,308/302,108 = 302,108/x
  3. Step 3: Cross multiply
    198,308x = 302,108 × 302,108
  4. Step 4: Simplify right side
    198,308x = 91,269,243,664
  5. Step 5: Solve for x
    x = 91,269,243,664/198,308
  6. Step 6: Final answer
    x = 460,239.85

Related Problems

Find third proportional to 99,154 and 151,054
Half scale
Find third proportional to 396,616 and 604,216
Double scale
Find third proportional to 198,310 and 302,111
Similar ratio
Find third proportional to 297,462 and 453,162
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.