Home / 118,222-259,420

Finding the Third Proportional to 118,222 and 259,420

Calculator

Solution

The third proportional to 118,222 and 259,420 is: 569,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,222 : 259,420 = 259,420 : x
  2. Step 2: Convert to fraction form
    118,222/259,420 = 259,420/x
  3. Step 3: Cross multiply
    118,222x = 259,420 × 259,420
  4. Step 4: Simplify right side
    118,222x = 67,298,736,400
  5. Step 5: Solve for x
    x = 67,298,736,400/118,222
  6. Step 6: Final answer
    x = 569,257.30

Related Problems

Find third proportional to 59,111 and 129,710
Half scale
Find third proportional to 236,444 and 518,840
Double scale
Find third proportional to 118,224 and 259,424
Similar ratio
Find third proportional to 177,333 and 389,130
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.