Home / 187,228-405,983

Finding the Third Proportional to 187,228 and 405,983

Calculator

Solution

The third proportional to 187,228 and 405,983 is: 880,328.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,228 : 405,983 = 405,983 : x
  2. Step 2: Convert to fraction form
    187,228/405,983 = 405,983/x
  3. Step 3: Cross multiply
    187,228x = 405,983 × 405,983
  4. Step 4: Simplify right side
    187,228x = 164,822,196,289
  5. Step 5: Solve for x
    x = 164,822,196,289/187,228
  6. Step 6: Final answer
    x = 880,328.78

Related Problems

Find third proportional to 93,614 and 202,991.50
Half scale
Find third proportional to 374,456 and 811,966
Double scale
Find third proportional to 187,230 and 405,987
Similar ratio
Find third proportional to 280,842 and 608,974.50
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.