Home / 227,740-339,770

Finding the Third Proportional to 227,740 and 339,770

Calculator

Solution

The third proportional to 227,740 and 339,770 is: 506,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,740 : 339,770 = 339,770 : x
  2. Step 2: Convert to fraction form
    227,740/339,770 = 339,770/x
  3. Step 3: Cross multiply
    227,740x = 339,770 × 339,770
  4. Step 4: Simplify right side
    227,740x = 115,443,652,900
  5. Step 5: Solve for x
    x = 115,443,652,900/227,740
  6. Step 6: Final answer
    x = 506,909.87

Related Problems

Find third proportional to 113,870 and 169,885
Half scale
Find third proportional to 455,480 and 679,540
Double scale
Find third proportional to 227,742 and 339,773
Similar ratio
Find third proportional to 341,610 and 509,655
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.