Home / 180,940-385,928

Finding the Third Proportional to 180,940 and 385,928

Calculator

Solution

The third proportional to 180,940 and 385,928 is: 823,148.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,940 : 385,928 = 385,928 : x
  2. Step 2: Convert to fraction form
    180,940/385,928 = 385,928/x
  3. Step 3: Cross multiply
    180,940x = 385,928 × 385,928
  4. Step 4: Simplify right side
    180,940x = 148,940,421,184
  5. Step 5: Solve for x
    x = 148,940,421,184/180,940
  6. Step 6: Final answer
    x = 823,148.12

Related Problems

Find third proportional to 90,470 and 192,964
Half scale
Find third proportional to 361,880 and 771,856
Double scale
Find third proportional to 180,942 and 385,932
Similar ratio
Find third proportional to 271,410 and 578,892
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.