Home / 290,864-446,926

Finding the Third Proportional to 290,864 and 446,926

Calculator

Solution

The third proportional to 290,864 and 446,926 is: 686,722.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,864 : 446,926 = 446,926 : x
  2. Step 2: Convert to fraction form
    290,864/446,926 = 446,926/x
  3. Step 3: Cross multiply
    290,864x = 446,926 × 446,926
  4. Step 4: Simplify right side
    290,864x = 199,742,849,476
  5. Step 5: Solve for x
    x = 199,742,849,476/290,864
  6. Step 6: Final answer
    x = 686,722.49

Related Problems

Find third proportional to 145,432 and 223,463
Half scale
Find third proportional to 581,728 and 893,852
Double scale
Find third proportional to 290,866 and 446,929
Similar ratio
Find third proportional to 436,296 and 670,389
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.