Home / 284,162-621,837

Finding the Third Proportional to 284,162 and 621,837

Calculator

Solution

The third proportional to 284,162 and 621,837 is: 1,360,777.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,162 : 621,837 = 621,837 : x
  2. Step 2: Convert to fraction form
    284,162/621,837 = 621,837/x
  3. Step 3: Cross multiply
    284,162x = 621,837 × 621,837
  4. Step 4: Simplify right side
    284,162x = 386,681,254,569
  5. Step 5: Solve for x
    x = 386,681,254,569/284,162
  6. Step 6: Final answer
    x = 1,360,777.50

Related Problems

Find third proportional to 142,081 and 310,918.50
Half scale
Find third proportional to 568,324 and 1,243,674
Double scale
Find third proportional to 284,164 and 621,841
Similar ratio
Find third proportional to 426,243 and 932,755.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.