Home / 310,922-667,132

Finding the Third Proportional to 310,922 and 667,132

Calculator

Solution

The third proportional to 310,922 and 667,132 is: 1,431,436.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,922 : 667,132 = 667,132 : x
  2. Step 2: Convert to fraction form
    310,922/667,132 = 667,132/x
  3. Step 3: Cross multiply
    310,922x = 667,132 × 667,132
  4. Step 4: Simplify right side
    310,922x = 445,065,105,424
  5. Step 5: Solve for x
    x = 445,065,105,424/310,922
  6. Step 6: Final answer
    x = 1,431,436.52

Related Problems

Find third proportional to 155,461 and 333,566
Half scale
Find third proportional to 621,844 and 1,334,264
Double scale
Find third proportional to 310,924 and 667,136
Similar ratio
Find third proportional to 466,383 and 1,000,698
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.