Home / 1,390,843-2,981,297

Finding the Third Proportional to 1,390,843 and 2,981,297

Calculator

Solution

The third proportional to 1,390,843 and 2,981,297 is: 6,390,463.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,843 : 2,981,297 = 2,981,297 : x
  2. Step 2: Convert to fraction form
    1,390,843/2,981,297 = 2,981,297/x
  3. Step 3: Cross multiply
    1,390,843x = 2,981,297 × 2,981,297
  4. Step 4: Simplify right side
    1,390,843x = 8,888,131,802,209
  5. Step 5: Solve for x
    x = 8,888,131,802,209/1,390,843
  6. Step 6: Final answer
    x = 6,390,463.77

Related Problems

Find third proportional to 695,421.50 and 1,490,648.50
Half scale
Find third proportional to 2,781,686 and 5,962,594
Double scale
Find third proportional to 1,390,845 and 2,981,301
Similar ratio
Find third proportional to 2,086,264.50 and 4,471,945.50
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.