Home / 261,846-397,629

Finding the Third Proportional to 261,846 and 397,629

Calculator

Solution

The third proportional to 261,846 and 397,629 is: 603,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,846 : 397,629 = 397,629 : x
  2. Step 2: Convert to fraction form
    261,846/397,629 = 397,629/x
  3. Step 3: Cross multiply
    261,846x = 397,629 × 397,629
  4. Step 4: Simplify right side
    261,846x = 158,108,821,641
  5. Step 5: Solve for x
    x = 158,108,821,641/261,846
  6. Step 6: Final answer
    x = 603,823.70

Related Problems

Find third proportional to 130,923 and 198,814.50
Half scale
Find third proportional to 523,692 and 795,258
Double scale
Find third proportional to 261,848 and 397,632
Similar ratio
Find third proportional to 392,769 and 596,443.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.