Home / 379,851-810,543

Finding the Third Proportional to 379,851 and 810,543

Calculator

Solution

The third proportional to 379,851 and 810,543 is: 1,729,572.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,851 : 810,543 = 810,543 : x
  2. Step 2: Convert to fraction form
    379,851/810,543 = 810,543/x
  3. Step 3: Cross multiply
    379,851x = 810,543 × 810,543
  4. Step 4: Simplify right side
    379,851x = 656,979,954,849
  5. Step 5: Solve for x
    x = 656,979,954,849/379,851
  6. Step 6: Final answer
    x = 1,729,572.79

Related Problems

Find third proportional to 189,925.50 and 405,271.50
Half scale
Find third proportional to 759,702 and 1,621,086
Double scale
Find third proportional to 379,853 and 810,547
Similar ratio
Find third proportional to 569,776.50 and 1,215,814.50
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.