Home / 401,378.50-550,404.75

Finding the Third Proportional to 401,378.50 and 550,404.75

Calculator

Solution

The third proportional to 401,378.50 and 550,404.75 is: 754,762.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,378.50 : 550,404.75 = 550,404.75 : x
  2. Step 2: Convert to fraction form
    401,378.50/550,404.75 = 550,404.75/x
  3. Step 3: Cross multiply
    401,378.50x = 550,404.75 × 550,404.75
  4. Step 4: Simplify right side
    401,378.50x = 302,945,388,822.56
  5. Step 5: Solve for x
    x = 302,945,388,822.56/401,378.50
  6. Step 6: Final answer
    x = 754,762.37

Related Problems

Find third proportional to 200,689.25 and 275,202.38
Half scale
Find third proportional to 802,757 and 1,100,809.50
Double scale
Find third proportional to 401,381 and 550,407
Similar ratio
Find third proportional to 602,067.75 and 825,607.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.