Home / 136,906-318,071

Finding the Third Proportional to 136,906 and 318,071

Calculator

Solution

The third proportional to 136,906 and 318,071 is: 738,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,906 : 318,071 = 318,071 : x
  2. Step 2: Convert to fraction form
    136,906/318,071 = 318,071/x
  3. Step 3: Cross multiply
    136,906x = 318,071 × 318,071
  4. Step 4: Simplify right side
    136,906x = 101,169,161,041
  5. Step 5: Solve for x
    x = 101,169,161,041/136,906
  6. Step 6: Final answer
    x = 738,968.06

Related Problems

Find third proportional to 68,453 and 159,035.50
Half scale
Find third proportional to 273,812 and 636,142
Double scale
Find third proportional to 136,908 and 318,076
Similar ratio
Find third proportional to 205,359 and 477,106.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.