Home / 291,816-627,222

Finding the Third Proportional to 291,816 and 627,222

Calculator

Solution

The third proportional to 291,816 and 627,222 is: 1,348,135.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,816 : 627,222 = 627,222 : x
  2. Step 2: Convert to fraction form
    291,816/627,222 = 627,222/x
  3. Step 3: Cross multiply
    291,816x = 627,222 × 627,222
  4. Step 4: Simplify right side
    291,816x = 393,407,437,284
  5. Step 5: Solve for x
    x = 393,407,437,284/291,816
  6. Step 6: Final answer
    x = 1,348,135.25

Related Problems

Find third proportional to 145,908 and 313,611
Half scale
Find third proportional to 583,632 and 1,254,444
Double scale
Find third proportional to 291,818 and 627,226
Similar ratio
Find third proportional to 437,724 and 940,833
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.