Home / 30,708-66,264

Finding the Third Proportional to 30,708 and 66,264

Calculator

Solution

The third proportional to 30,708 and 66,264 is: 142,989.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,708 : 66,264 = 66,264 : x
  2. Step 2: Convert to fraction form
    30,708/66,264 = 66,264/x
  3. Step 3: Cross multiply
    30,708x = 66,264 × 66,264
  4. Step 4: Simplify right side
    30,708x = 4,390,917,696
  5. Step 5: Solve for x
    x = 4,390,917,696/30,708
  6. Step 6: Final answer
    x = 142,989.37

Related Problems

Find third proportional to 15,354 and 33,132
Half scale
Find third proportional to 61,416 and 132,528
Double scale
Find third proportional to 30,710 and 66,268
Similar ratio
Find third proportional to 46,062 and 99,396
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.