Home / 420,304-628,968

Finding the Third Proportional to 420,304 and 628,968

Calculator

Solution

The third proportional to 420,304 and 628,968 is: 941,225.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,304 : 628,968 = 628,968 : x
  2. Step 2: Convert to fraction form
    420,304/628,968 = 628,968/x
  3. Step 3: Cross multiply
    420,304x = 628,968 × 628,968
  4. Step 4: Simplify right side
    420,304x = 395,600,745,024
  5. Step 5: Solve for x
    x = 395,600,745,024/420,304
  6. Step 6: Final answer
    x = 941,225.27

Related Problems

Find third proportional to 210,152 and 314,484
Half scale
Find third proportional to 840,608 and 1,257,936
Double scale
Find third proportional to 420,306 and 628,971
Similar ratio
Find third proportional to 630,456 and 943,452
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.