Home / 187,226-405,979

Finding the Third Proportional to 187,226 and 405,979

Calculator

Solution

The third proportional to 187,226 and 405,979 is: 880,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,226 : 405,979 = 405,979 : x
  2. Step 2: Convert to fraction form
    187,226/405,979 = 405,979/x
  3. Step 3: Cross multiply
    187,226x = 405,979 × 405,979
  4. Step 4: Simplify right side
    187,226x = 164,818,948,441
  5. Step 5: Solve for x
    x = 164,818,948,441/187,226
  6. Step 6: Final answer
    x = 880,320.83

Related Problems

Find third proportional to 93,613 and 202,989.50
Half scale
Find third proportional to 374,452 and 811,958
Double scale
Find third proportional to 187,228 and 405,983
Similar ratio
Find third proportional to 280,839 and 608,968.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.