Home / 401,072-891,798

Finding the Third Proportional to 401,072 and 891,798

Calculator

Solution

The third proportional to 401,072 and 891,798 is: 1,982,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,072 : 891,798 = 891,798 : x
  2. Step 2: Convert to fraction form
    401,072/891,798 = 891,798/x
  3. Step 3: Cross multiply
    401,072x = 891,798 × 891,798
  4. Step 4: Simplify right side
    401,072x = 795,303,672,804
  5. Step 5: Solve for x
    x = 795,303,672,804/401,072
  6. Step 6: Final answer
    x = 1,982,944.89

Related Problems

Find third proportional to 200,536 and 445,899
Half scale
Find third proportional to 802,144 and 1,783,596
Double scale
Find third proportional to 401,074 and 891,802
Similar ratio
Find third proportional to 601,608 and 1,337,697
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.