Home / 359,971-777,670

Finding the Third Proportional to 359,971 and 777,670

Calculator

Solution

The third proportional to 359,971 and 777,670 is: 1,680,053.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,971 : 777,670 = 777,670 : x
  2. Step 2: Convert to fraction form
    359,971/777,670 = 777,670/x
  3. Step 3: Cross multiply
    359,971x = 777,670 × 777,670
  4. Step 4: Simplify right side
    359,971x = 604,770,628,900
  5. Step 5: Solve for x
    x = 604,770,628,900/359,971
  6. Step 6: Final answer
    x = 1,680,053.75

Related Problems

Find third proportional to 179,985.50 and 388,835
Half scale
Find third proportional to 719,942 and 1,555,340
Double scale
Find third proportional to 359,973 and 777,674
Similar ratio
Find third proportional to 539,956.50 and 1,166,505
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.