Home / 68,712-144,804

Finding the Third Proportional to 68,712 and 144,804

Calculator

Solution

The third proportional to 68,712 and 144,804 is: 305,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,712 : 144,804 = 144,804 : x
  2. Step 2: Convert to fraction form
    68,712/144,804 = 144,804/x
  3. Step 3: Cross multiply
    68,712x = 144,804 × 144,804
  4. Step 4: Simplify right side
    68,712x = 20,968,198,416
  5. Step 5: Solve for x
    x = 20,968,198,416/68,712
  6. Step 6: Final answer
    x = 305,160.65

Related Problems

Find third proportional to 34,356 and 72,402
Half scale
Find third proportional to 137,424 and 289,608
Double scale
Find third proportional to 68,714 and 144,808
Similar ratio
Find third proportional to 103,068 and 217,206
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.