Home / 199,014-420,495

Finding the Third Proportional to 199,014 and 420,495

Calculator

Solution

The third proportional to 199,014 and 420,495 is: 888,460.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,014 : 420,495 = 420,495 : x
  2. Step 2: Convert to fraction form
    199,014/420,495 = 420,495/x
  3. Step 3: Cross multiply
    199,014x = 420,495 × 420,495
  4. Step 4: Simplify right side
    199,014x = 176,816,045,025
  5. Step 5: Solve for x
    x = 176,816,045,025/199,014
  6. Step 6: Final answer
    x = 888,460.33

Related Problems

Find third proportional to 99,507 and 210,247.50
Half scale
Find third proportional to 398,028 and 840,990
Double scale
Find third proportional to 199,016 and 420,499
Similar ratio
Find third proportional to 298,521 and 630,742.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.