Home / 866.53-1,915.31

Finding the Third Proportional to 866.53 and 1,915.31

Calculator

Solution

The third proportional to 866.53 and 1,915.31 is: 4,233.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    866.53 : 1,915.31 = 1,915.31 : x
  2. Step 2: Convert to fraction form
    866.53/1,915.31 = 1,915.31/x
  3. Step 3: Cross multiply
    866.53x = 1,915.31 × 1,915.31
  4. Step 4: Simplify right side
    866.53x = 3,668,421.97
  5. Step 5: Solve for x
    x = 3,668,421.97/866.53
  6. Step 6: Final answer
    x = 4,233.46

Related Problems

Find third proportional to 433.27 and 957.66
Half scale
Find third proportional to 1,733.06 and 3,830.63
Double scale
Find third proportional to 869 and 1,920
Similar ratio
Find third proportional to 1,299.80 and 2,872.97
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.