Home / 121,299-263,214.50

Finding the Third Proportional to 121,299 and 263,214.50

Calculator

Solution

The third proportional to 121,299 and 263,214.50 is: 571,166.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,299 : 263,214.50 = 263,214.50 : x
  2. Step 2: Convert to fraction form
    121,299/263,214.50 = 263,214.50/x
  3. Step 3: Cross multiply
    121,299x = 263,214.50 × 263,214.50
  4. Step 4: Simplify right side
    121,299x = 69,281,873,010.25
  5. Step 5: Solve for x
    x = 69,281,873,010.25/121,299
  6. Step 6: Final answer
    x = 571,166.07

Related Problems

Find third proportional to 60,649.50 and 131,607.25
Half scale
Find third proportional to 242,598 and 526,429
Double scale
Find third proportional to 121,301 and 263,219
Similar ratio
Find third proportional to 181,948.50 and 394,821.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.