Home / 269,842-389,841

Finding the Third Proportional to 269,842 and 389,841

Calculator

Solution

The third proportional to 269,842 and 389,841 is: 563,203.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,842 : 389,841 = 389,841 : x
  2. Step 2: Convert to fraction form
    269,842/389,841 = 389,841/x
  3. Step 3: Cross multiply
    269,842x = 389,841 × 389,841
  4. Step 4: Simplify right side
    269,842x = 151,976,005,281
  5. Step 5: Solve for x
    x = 151,976,005,281/269,842
  6. Step 6: Final answer
    x = 563,203.67

Related Problems

Find third proportional to 134,921 and 194,920.50
Half scale
Find third proportional to 539,684 and 779,682
Double scale
Find third proportional to 269,844 and 389,844
Similar ratio
Find third proportional to 404,763 and 584,761.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.