Home / 291,772-628,252

Finding the Third Proportional to 291,772 and 628,252

Calculator

Solution

The third proportional to 291,772 and 628,252 is: 1,352,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,772 : 628,252 = 628,252 : x
  2. Step 2: Convert to fraction form
    291,772/628,252 = 628,252/x
  3. Step 3: Cross multiply
    291,772x = 628,252 × 628,252
  4. Step 4: Simplify right side
    291,772x = 394,700,575,504
  5. Step 5: Solve for x
    x = 394,700,575,504/291,772
  6. Step 6: Final answer
    x = 1,352,770.57

Related Problems

Find third proportional to 145,886 and 314,126
Half scale
Find third proportional to 583,544 and 1,256,504
Double scale
Find third proportional to 291,774 and 628,256
Similar ratio
Find third proportional to 437,658 and 942,378
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.