Home / 121,614-261,210

Finding the Third Proportional to 121,614 and 261,210

Calculator

Solution

The third proportional to 121,614 and 261,210 is: 561,042.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,614 : 261,210 = 261,210 : x
  2. Step 2: Convert to fraction form
    121,614/261,210 = 261,210/x
  3. Step 3: Cross multiply
    121,614x = 261,210 × 261,210
  4. Step 4: Simplify right side
    121,614x = 68,230,664,100
  5. Step 5: Solve for x
    x = 68,230,664,100/121,614
  6. Step 6: Final answer
    x = 561,042.84

Related Problems

Find third proportional to 60,807 and 130,605
Half scale
Find third proportional to 243,228 and 522,420
Double scale
Find third proportional to 121,616 and 261,214
Similar ratio
Find third proportional to 182,421 and 391,815
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.