Home / 370,707-809,370

Finding the Third Proportional to 370,707 and 809,370

Calculator

Solution

The third proportional to 370,707 and 809,370 is: 1,767,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,707 : 809,370 = 809,370 : x
  2. Step 2: Convert to fraction form
    370,707/809,370 = 809,370/x
  3. Step 3: Cross multiply
    370,707x = 809,370 × 809,370
  4. Step 4: Simplify right side
    370,707x = 655,079,796,900
  5. Step 5: Solve for x
    x = 655,079,796,900/370,707
  6. Step 6: Final answer
    x = 1,767,109.33

Related Problems

Find third proportional to 185,353.50 and 404,685
Half scale
Find third proportional to 741,414 and 1,618,740
Double scale
Find third proportional to 370,709 and 809,374
Similar ratio
Find third proportional to 556,060.50 and 1,214,055
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.