Home / 137,416-289,848

Finding the Third Proportional to 137,416 and 289,848

Calculator

Solution

The third proportional to 137,416 and 289,848 is: 611,368.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,416 : 289,848 = 289,848 : x
  2. Step 2: Convert to fraction form
    137,416/289,848 = 289,848/x
  3. Step 3: Cross multiply
    137,416x = 289,848 × 289,848
  4. Step 4: Simplify right side
    137,416x = 84,011,863,104
  5. Step 5: Solve for x
    x = 84,011,863,104/137,416
  6. Step 6: Final answer
    x = 611,368.86

Related Problems

Find third proportional to 68,708 and 144,924
Half scale
Find third proportional to 274,832 and 579,696
Double scale
Find third proportional to 137,418 and 289,852
Similar ratio
Find third proportional to 206,124 and 434,772
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.