Home / 356,010-777,666

Finding the Third Proportional to 356,010 and 777,666

Calculator

Solution

The third proportional to 356,010 and 777,666 is: 1,698,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,010 : 777,666 = 777,666 : x
  2. Step 2: Convert to fraction form
    356,010/777,666 = 777,666/x
  3. Step 3: Cross multiply
    356,010x = 777,666 × 777,666
  4. Step 4: Simplify right side
    356,010x = 604,764,407,556
  5. Step 5: Solve for x
    x = 604,764,407,556/356,010
  6. Step 6: Final answer
    x = 1,698,728.71

Related Problems

Find third proportional to 178,005 and 388,833
Half scale
Find third proportional to 712,020 and 1,555,332
Double scale
Find third proportional to 356,012 and 777,670
Similar ratio
Find third proportional to 534,015 and 1,166,499
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.