Home / 408,244.50-634,723.50

Finding the Third Proportional to 408,244.50 and 634,723.50

Calculator

Solution

The third proportional to 408,244.50 and 634,723.50 is: 986,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,244.50 : 634,723.50 = 634,723.50 : x
  2. Step 2: Convert to fraction form
    408,244.50/634,723.50 = 634,723.50/x
  3. Step 3: Cross multiply
    408,244.50x = 634,723.50 × 634,723.50
  4. Step 4: Simplify right side
    408,244.50x = 402,873,921,452.25
  5. Step 5: Solve for x
    x = 402,873,921,452.25/408,244.50
  6. Step 6: Final answer
    x = 986,844.70

Related Problems

Find third proportional to 204,122.25 and 317,361.75
Half scale
Find third proportional to 816,489 and 1,269,447
Double scale
Find third proportional to 408,247 and 634,727
Similar ratio
Find third proportional to 612,366.75 and 952,085.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.