Home / 30,792-66,290

Finding the Third Proportional to 30,792 and 66,290

Calculator

Solution

The third proportional to 30,792 and 66,290 is: 142,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,792 : 66,290 = 66,290 : x
  2. Step 2: Convert to fraction form
    30,792/66,290 = 66,290/x
  3. Step 3: Cross multiply
    30,792x = 66,290 × 66,290
  4. Step 4: Simplify right side
    30,792x = 4,394,364,100
  5. Step 5: Solve for x
    x = 4,394,364,100/30,792
  6. Step 6: Final answer
    x = 142,711.23

Related Problems

Find third proportional to 15,396 and 33,145
Half scale
Find third proportional to 61,584 and 132,580
Double scale
Find third proportional to 30,794 and 66,294
Similar ratio
Find third proportional to 46,188 and 99,435
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.