Home / 223,139-339,943

Finding the Third Proportional to 223,139 and 339,943

Calculator

Solution

The third proportional to 223,139 and 339,943 is: 517,889.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,139 : 339,943 = 339,943 : x
  2. Step 2: Convert to fraction form
    223,139/339,943 = 339,943/x
  3. Step 3: Cross multiply
    223,139x = 339,943 × 339,943
  4. Step 4: Simplify right side
    223,139x = 115,561,243,249
  5. Step 5: Solve for x
    x = 115,561,243,249/223,139
  6. Step 6: Final answer
    x = 517,889.04

Related Problems

Find third proportional to 111,569.50 and 169,971.50
Half scale
Find third proportional to 446,278 and 679,886
Double scale
Find third proportional to 223,141 and 339,946
Similar ratio
Find third proportional to 334,708.50 and 509,914.50
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.