Home / 87,818-207,238

Finding the Third Proportional to 87,818 and 207,238

Calculator

Solution

The third proportional to 87,818 and 207,238 is: 489,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,818 : 207,238 = 207,238 : x
  2. Step 2: Convert to fraction form
    87,818/207,238 = 207,238/x
  3. Step 3: Cross multiply
    87,818x = 207,238 × 207,238
  4. Step 4: Simplify right side
    87,818x = 42,947,588,644
  5. Step 5: Solve for x
    x = 42,947,588,644/87,818
  6. Step 6: Final answer
    x = 489,052.23

Related Problems

Find third proportional to 43,909 and 103,619
Half scale
Find third proportional to 175,636 and 414,476
Double scale
Find third proportional to 87,820 and 207,243
Similar ratio
Find third proportional to 131,727 and 310,857
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.