Home / 153,196-220,648

Finding the Third Proportional to 153,196 and 220,648

Calculator

Solution

The third proportional to 153,196 and 220,648 is: 317,799.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,196 : 220,648 = 220,648 : x
  2. Step 2: Convert to fraction form
    153,196/220,648 = 220,648/x
  3. Step 3: Cross multiply
    153,196x = 220,648 × 220,648
  4. Step 4: Simplify right side
    153,196x = 48,685,539,904
  5. Step 5: Solve for x
    x = 48,685,539,904/153,196
  6. Step 6: Final answer
    x = 317,799.03

Related Problems

Find third proportional to 76,598 and 110,324
Half scale
Find third proportional to 306,392 and 441,296
Double scale
Find third proportional to 153,198 and 220,651
Similar ratio
Find third proportional to 229,794 and 330,972
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.