Home / 140,176-209,683

Finding the Third Proportional to 140,176 and 209,683

Calculator

Solution

The third proportional to 140,176 and 209,683 is: 313,655.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,176 : 209,683 = 209,683 : x
  2. Step 2: Convert to fraction form
    140,176/209,683 = 209,683/x
  3. Step 3: Cross multiply
    140,176x = 209,683 × 209,683
  4. Step 4: Simplify right side
    140,176x = 43,966,960,489
  5. Step 5: Solve for x
    x = 43,966,960,489/140,176
  6. Step 6: Final answer
    x = 313,655.41

Related Problems

Find third proportional to 70,088 and 104,841.50
Half scale
Find third proportional to 280,352 and 419,366
Double scale
Find third proportional to 140,178 and 209,686
Similar ratio
Find third proportional to 210,264 and 314,524.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.