Home / 180,837-390,834

Finding the Third Proportional to 180,837 and 390,834

Calculator

Solution

The third proportional to 180,837 and 390,834 is: 844,690.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,837 : 390,834 = 390,834 : x
  2. Step 2: Convert to fraction form
    180,837/390,834 = 390,834/x
  3. Step 3: Cross multiply
    180,837x = 390,834 × 390,834
  4. Step 4: Simplify right side
    180,837x = 152,751,215,556
  5. Step 5: Solve for x
    x = 152,751,215,556/180,837
  6. Step 6: Final answer
    x = 844,690.06

Related Problems

Find third proportional to 90,418.50 and 195,417
Half scale
Find third proportional to 361,674 and 781,668
Double scale
Find third proportional to 180,839 and 390,838
Similar ratio
Find third proportional to 271,255.50 and 586,251
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.