Home / 187,959-405,260

Finding the Third Proportional to 187,959 and 405,260

Calculator

Solution

The third proportional to 187,959 and 405,260 is: 873,784.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,959 : 405,260 = 405,260 : x
  2. Step 2: Convert to fraction form
    187,959/405,260 = 405,260/x
  3. Step 3: Cross multiply
    187,959x = 405,260 × 405,260
  4. Step 4: Simplify right side
    187,959x = 164,235,667,600
  5. Step 5: Solve for x
    x = 164,235,667,600/187,959
  6. Step 6: Final answer
    x = 873,784.54

Related Problems

Find third proportional to 93,979.50 and 202,630
Half scale
Find third proportional to 375,918 and 810,520
Double scale
Find third proportional to 187,961 and 405,264
Similar ratio
Find third proportional to 281,938.50 and 607,890
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.