Home / 279,690-609,042

Finding the Third Proportional to 279,690 and 609,042

Calculator

Solution

The third proportional to 279,690 and 609,042 is: 1,326,226.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,690 : 609,042 = 609,042 : x
  2. Step 2: Convert to fraction form
    279,690/609,042 = 609,042/x
  3. Step 3: Cross multiply
    279,690x = 609,042 × 609,042
  4. Step 4: Simplify right side
    279,690x = 370,932,157,764
  5. Step 5: Solve for x
    x = 370,932,157,764/279,690
  6. Step 6: Final answer
    x = 1,326,226.03

Related Problems

Find third proportional to 139,845 and 304,521
Half scale
Find third proportional to 559,380 and 1,218,084
Double scale
Find third proportional to 279,692 and 609,046
Similar ratio
Find third proportional to 419,535 and 913,563
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.