Home / 140,870-313,237

Finding the Third Proportional to 140,870 and 313,237

Calculator

Solution

The third proportional to 140,870 and 313,237 is: 696,510.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,870 : 313,237 = 313,237 : x
  2. Step 2: Convert to fraction form
    140,870/313,237 = 313,237/x
  3. Step 3: Cross multiply
    140,870x = 313,237 × 313,237
  4. Step 4: Simplify right side
    140,870x = 98,117,418,169
  5. Step 5: Solve for x
    x = 98,117,418,169/140,870
  6. Step 6: Final answer
    x = 696,510.39

Related Problems

Find third proportional to 70,435 and 156,618.50
Half scale
Find third proportional to 281,740 and 626,474
Double scale
Find third proportional to 140,872 and 313,241
Similar ratio
Find third proportional to 211,305 and 469,855.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.