Home / 31,307,367-68,172,720

Finding the Third Proportional to 31,307,367 and 68,172,720

Calculator

Solution

The third proportional to 31,307,367 and 68,172,720 is: 148,448,119.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,307,367 : 68,172,720 = 68,172,720 : x
  2. Step 2: Convert to fraction form
    31,307,367/68,172,720 = 68,172,720/x
  3. Step 3: Cross multiply
    31,307,367x = 68,172,720 × 68,172,720
  4. Step 4: Simplify right side
    31,307,367x = 4,647,519,752,198,400
  5. Step 5: Solve for x
    x = 4,647,519,752,198,400/31,307,367
  6. Step 6: Final answer
    x = 148,448,119.33

Related Problems

Find third proportional to 15,653,683.50 and 34,086,360
Half scale
Find third proportional to 62,614,734 and 136,345,440
Double scale
Find third proportional to 31,307,369 and 68,172,724
Similar ratio
Find third proportional to 46,961,050.50 and 102,259,080
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.