Home / 191,479-409,022

Finding the Third Proportional to 191,479 and 409,022

Calculator

Solution

The third proportional to 191,479 and 409,022 is: 873,719.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,479 : 409,022 = 409,022 : x
  2. Step 2: Convert to fraction form
    191,479/409,022 = 409,022/x
  3. Step 3: Cross multiply
    191,479x = 409,022 × 409,022
  4. Step 4: Simplify right side
    191,479x = 167,298,996,484
  5. Step 5: Solve for x
    x = 167,298,996,484/191,479
  6. Step 6: Final answer
    x = 873,719.82

Related Problems

Find third proportional to 95,739.50 and 204,511
Half scale
Find third proportional to 382,958 and 818,044
Double scale
Find third proportional to 191,481 and 409,026
Similar ratio
Find third proportional to 287,218.50 and 613,533
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.