Home / 356,616-769,407

Finding the Third Proportional to 356,616 and 769,407

Calculator

Solution

The third proportional to 356,616 and 769,407 is: 1,660,012.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,616 : 769,407 = 769,407 : x
  2. Step 2: Convert to fraction form
    356,616/769,407 = 769,407/x
  3. Step 3: Cross multiply
    356,616x = 769,407 × 769,407
  4. Step 4: Simplify right side
    356,616x = 591,987,131,649
  5. Step 5: Solve for x
    x = 591,987,131,649/356,616
  6. Step 6: Final answer
    x = 1,660,012.82

Related Problems

Find third proportional to 178,308 and 384,703.50
Half scale
Find third proportional to 713,232 and 1,538,814
Double scale
Find third proportional to 356,618 and 769,411
Similar ratio
Find third proportional to 534,924 and 1,154,110.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.