Home / 354,986-772,166

Finding the Third Proportional to 354,986 and 772,166

Calculator

Solution

The third proportional to 354,986 and 772,166 is: 1,679,616.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,986 : 772,166 = 772,166 : x
  2. Step 2: Convert to fraction form
    354,986/772,166 = 772,166/x
  3. Step 3: Cross multiply
    354,986x = 772,166 × 772,166
  4. Step 4: Simplify right side
    354,986x = 596,240,331,556
  5. Step 5: Solve for x
    x = 596,240,331,556/354,986
  6. Step 6: Final answer
    x = 1,679,616.47

Related Problems

Find third proportional to 177,493 and 386,083
Half scale
Find third proportional to 709,972 and 1,544,332
Double scale
Find third proportional to 354,988 and 772,170
Similar ratio
Find third proportional to 532,479 and 1,158,249
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.