Home / 98,478-143,411

Finding the Third Proportional to 98,478 and 143,411

Calculator

Solution

The third proportional to 98,478 and 143,411 is: 208,845.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,478 : 143,411 = 143,411 : x
  2. Step 2: Convert to fraction form
    98,478/143,411 = 143,411/x
  3. Step 3: Cross multiply
    98,478x = 143,411 × 143,411
  4. Step 4: Simplify right side
    98,478x = 20,566,714,921
  5. Step 5: Solve for x
    x = 20,566,714,921/98,478
  6. Step 6: Final answer
    x = 208,845.78

Related Problems

Find third proportional to 49,239 and 71,705.50
Half scale
Find third proportional to 196,956 and 286,822
Double scale
Find third proportional to 98,480 and 143,414
Similar ratio
Find third proportional to 147,717 and 215,116.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.