Home / 561,846-821,745

Finding the Third Proportional to 561,846 and 821,745

Calculator

Solution

The third proportional to 561,846 and 821,745 is: 1,201,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,846 : 821,745 = 821,745 : x
  2. Step 2: Convert to fraction form
    561,846/821,745 = 821,745/x
  3. Step 3: Cross multiply
    561,846x = 821,745 × 821,745
  4. Step 4: Simplify right side
    561,846x = 675,264,845,025
  5. Step 5: Solve for x
    x = 675,264,845,025/561,846
  6. Step 6: Final answer
    x = 1,201,868.21

Related Problems

Find third proportional to 280,923 and 410,872.50
Half scale
Find third proportional to 1,123,692 and 1,643,490
Double scale
Find third proportional to 561,848 and 821,748
Similar ratio
Find third proportional to 842,769 and 1,232,617.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.