Home / 486,372-776,987

Finding the Third Proportional to 486,372 and 776,987

Calculator

Solution

The third proportional to 486,372 and 776,987 is: 1,241,249.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,372 : 776,987 = 776,987 : x
  2. Step 2: Convert to fraction form
    486,372/776,987 = 776,987/x
  3. Step 3: Cross multiply
    486,372x = 776,987 × 776,987
  4. Step 4: Simplify right side
    486,372x = 603,708,798,169
  5. Step 5: Solve for x
    x = 603,708,798,169/486,372
  6. Step 6: Final answer
    x = 1,241,249.08

Related Problems

Find third proportional to 243,186 and 388,493.50
Half scale
Find third proportional to 972,744 and 1,553,974
Double scale
Find third proportional to 486,374 and 776,990
Similar ratio
Find third proportional to 729,558 and 1,165,480.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.