Home / 379,872-810,592

Finding the Third Proportional to 379,872 and 810,592

Calculator

Solution

The third proportional to 379,872 and 810,592 is: 1,729,686.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,872 : 810,592 = 810,592 : x
  2. Step 2: Convert to fraction form
    379,872/810,592 = 810,592/x
  3. Step 3: Cross multiply
    379,872x = 810,592 × 810,592
  4. Step 4: Simplify right side
    379,872x = 657,059,390,464
  5. Step 5: Solve for x
    x = 657,059,390,464/379,872
  6. Step 6: Final answer
    x = 1,729,686.29

Related Problems

Find third proportional to 189,936 and 405,296
Half scale
Find third proportional to 759,744 and 1,621,184
Double scale
Find third proportional to 379,874 and 810,596
Similar ratio
Find third proportional to 569,808 and 1,215,888
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.