Home / 198,845-307,206

Finding the Third Proportional to 198,845 and 307,206

Calculator

Solution

The third proportional to 198,845 and 307,206 is: 474,618.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,845 : 307,206 = 307,206 : x
  2. Step 2: Convert to fraction form
    198,845/307,206 = 307,206/x
  3. Step 3: Cross multiply
    198,845x = 307,206 × 307,206
  4. Step 4: Simplify right side
    198,845x = 94,375,526,436
  5. Step 5: Solve for x
    x = 94,375,526,436/198,845
  6. Step 6: Final answer
    x = 474,618.55

Related Problems

Find third proportional to 99,422.50 and 153,603
Half scale
Find third proportional to 397,690 and 614,412
Double scale
Find third proportional to 198,847 and 307,209
Similar ratio
Find third proportional to 298,267.50 and 460,809
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.