Home / 78,210-125,925

Finding the Third Proportional to 78,210 and 125,925

Calculator

Solution

The third proportional to 78,210 and 125,925 is: 202,750.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,210 : 125,925 = 125,925 : x
  2. Step 2: Convert to fraction form
    78,210/125,925 = 125,925/x
  3. Step 3: Cross multiply
    78,210x = 125,925 × 125,925
  4. Step 4: Simplify right side
    78,210x = 15,857,105,625
  5. Step 5: Solve for x
    x = 15,857,105,625/78,210
  6. Step 6: Final answer
    x = 202,750.36

Related Problems

Find third proportional to 39,105 and 62,962.50
Half scale
Find third proportional to 156,420 and 251,850
Double scale
Find third proportional to 78,212 and 125,928
Similar ratio
Find third proportional to 117,315 and 188,887.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.