Home / 381,076-804,920

Finding the Third Proportional to 381,076 and 804,920

Calculator

Solution

The third proportional to 381,076 and 804,920 is: 1,700,175.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,076 : 804,920 = 804,920 : x
  2. Step 2: Convert to fraction form
    381,076/804,920 = 804,920/x
  3. Step 3: Cross multiply
    381,076x = 804,920 × 804,920
  4. Step 4: Simplify right side
    381,076x = 647,896,206,400
  5. Step 5: Solve for x
    x = 647,896,206,400/381,076
  6. Step 6: Final answer
    x = 1,700,175.83

Related Problems

Find third proportional to 190,538 and 402,460
Half scale
Find third proportional to 762,152 and 1,609,840
Double scale
Find third proportional to 381,078 and 804,924
Similar ratio
Find third proportional to 571,614 and 1,207,380
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.