Home / 313,138.50-697,993.50

Finding the Third Proportional to 313,138.50 and 697,993.50

Calculator

Solution

The third proportional to 313,138.50 and 697,993.50 is: 1,555,844.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,138.50 : 697,993.50 = 697,993.50 : x
  2. Step 2: Convert to fraction form
    313,138.50/697,993.50 = 697,993.50/x
  3. Step 3: Cross multiply
    313,138.50x = 697,993.50 × 697,993.50
  4. Step 4: Simplify right side
    313,138.50x = 487,194,926,042.25
  5. Step 5: Solve for x
    x = 487,194,926,042.25/313,138.50
  6. Step 6: Final answer
    x = 1,555,844.86

Related Problems

Find third proportional to 156,569.25 and 348,996.75
Half scale
Find third proportional to 626,277 and 1,395,987
Double scale
Find third proportional to 313,141 and 697,998
Similar ratio
Find third proportional to 469,707.75 and 1,046,990.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.