Home / 374,610-815,742

Finding the Third Proportional to 374,610 and 815,742

Calculator

Solution

The third proportional to 374,610 and 815,742 is: 1,776,340.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,610 : 815,742 = 815,742 : x
  2. Step 2: Convert to fraction form
    374,610/815,742 = 815,742/x
  3. Step 3: Cross multiply
    374,610x = 815,742 × 815,742
  4. Step 4: Simplify right side
    374,610x = 665,435,010,564
  5. Step 5: Solve for x
    x = 665,435,010,564/374,610
  6. Step 6: Final answer
    x = 1,776,340.76

Related Problems

Find third proportional to 187,305 and 407,871
Half scale
Find third proportional to 749,220 and 1,631,484
Double scale
Find third proportional to 374,612 and 815,746
Similar ratio
Find third proportional to 561,915 and 1,223,613
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.