Home / 199,630-219,313

Finding the Third Proportional to 199,630 and 219,313

Calculator

Solution

The third proportional to 199,630 and 219,313 is: 240,936.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,630 : 219,313 = 219,313 : x
  2. Step 2: Convert to fraction form
    199,630/219,313 = 219,313/x
  3. Step 3: Cross multiply
    199,630x = 219,313 × 219,313
  4. Step 4: Simplify right side
    199,630x = 48,098,191,969
  5. Step 5: Solve for x
    x = 48,098,191,969/199,630
  6. Step 6: Final answer
    x = 240,936.69

Related Problems

Find third proportional to 99,815 and 109,656.50
Half scale
Find third proportional to 399,260 and 438,626
Double scale
Find third proportional to 199,632 and 219,315
Similar ratio
Find third proportional to 299,445 and 328,969.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.