Home / 179,803-387,630

Finding the Third Proportional to 179,803 and 387,630

Calculator

Solution

The third proportional to 179,803 and 387,630 is: 835,675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,803 : 387,630 = 387,630 : x
  2. Step 2: Convert to fraction form
    179,803/387,630 = 387,630/x
  3. Step 3: Cross multiply
    179,803x = 387,630 × 387,630
  4. Step 4: Simplify right side
    179,803x = 150,257,016,900
  5. Step 5: Solve for x
    x = 150,257,016,900/179,803
  6. Step 6: Final answer
    x = 835,675.81

Related Problems

Find third proportional to 89,901.50 and 193,815
Half scale
Find third proportional to 359,606 and 775,260
Double scale
Find third proportional to 179,805 and 387,634
Similar ratio
Find third proportional to 269,704.50 and 581,445
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.