Home / 902,690-1,982,509

Finding the Third Proportional to 902,690 and 1,982,509

Calculator

Solution

The third proportional to 902,690 and 1,982,509 is: 4,354,032.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,690 : 1,982,509 = 1,982,509 : x
  2. Step 2: Convert to fraction form
    902,690/1,982,509 = 1,982,509/x
  3. Step 3: Cross multiply
    902,690x = 1,982,509 × 1,982,509
  4. Step 4: Simplify right side
    902,690x = 3,930,341,935,081
  5. Step 5: Solve for x
    x = 3,930,341,935,081/902,690
  6. Step 6: Final answer
    x = 4,354,032.87

Related Problems

Find third proportional to 451,345 and 991,254.50
Half scale
Find third proportional to 1,805,380 and 3,965,018
Double scale
Find third proportional to 902,692 and 1,982,513
Similar ratio
Find third proportional to 1,354,035 and 2,973,763.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.