Home / 180,888-393,917

Finding the Third Proportional to 180,888 and 393,917

Calculator

Solution

The third proportional to 180,888 and 393,917 is: 857,826.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,888 : 393,917 = 393,917 : x
  2. Step 2: Convert to fraction form
    180,888/393,917 = 393,917/x
  3. Step 3: Cross multiply
    180,888x = 393,917 × 393,917
  4. Step 4: Simplify right side
    180,888x = 155,170,602,889
  5. Step 5: Solve for x
    x = 155,170,602,889/180,888
  6. Step 6: Final answer
    x = 857,826.96

Related Problems

Find third proportional to 90,444 and 196,958.50
Half scale
Find third proportional to 361,776 and 787,834
Double scale
Find third proportional to 180,890 and 393,921
Similar ratio
Find third proportional to 271,332 and 590,875.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.