Home / 87,710-190,790

Finding the Third Proportional to 87,710 and 190,790

Calculator

Solution

The third proportional to 87,710 and 190,790 is: 415,013.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,710 : 190,790 = 190,790 : x
  2. Step 2: Convert to fraction form
    87,710/190,790 = 190,790/x
  3. Step 3: Cross multiply
    87,710x = 190,790 × 190,790
  4. Step 4: Simplify right side
    87,710x = 36,400,824,100
  5. Step 5: Solve for x
    x = 36,400,824,100/87,710
  6. Step 6: Final answer
    x = 415,013.39

Related Problems

Find third proportional to 43,855 and 95,395
Half scale
Find third proportional to 175,420 and 381,580
Double scale
Find third proportional to 87,712 and 190,794
Similar ratio
Find third proportional to 131,565 and 286,185
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.