Home / 15,907-31,357

Finding the Third Proportional to 15,907 and 31,357

Calculator

Solution

The third proportional to 15,907 and 31,357 is: 61,813.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907 : 31,357 = 31,357 : x
  2. Step 2: Convert to fraction form
    15,907/31,357 = 31,357/x
  3. Step 3: Cross multiply
    15,907x = 31,357 × 31,357
  4. Step 4: Simplify right side
    15,907x = 983,261,449
  5. Step 5: Solve for x
    x = 983,261,449/15,907
  6. Step 6: Final answer
    x = 61,813.13

Related Problems

Find third proportional to 7,953.50 and 15,678.50
Half scale
Find third proportional to 31,814 and 62,714
Double scale
Find third proportional to 15,909 and 31,361
Similar ratio
Find third proportional to 23,860.50 and 47,035.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.