Home / 84,166-129,360

Finding the Third Proportional to 84,166 and 129,360

Calculator

Solution

The third proportional to 84,166 and 129,360 is: 198,821.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,166 : 129,360 = 129,360 : x
  2. Step 2: Convert to fraction form
    84,166/129,360 = 129,360/x
  3. Step 3: Cross multiply
    84,166x = 129,360 × 129,360
  4. Step 4: Simplify right side
    84,166x = 16,734,009,600
  5. Step 5: Solve for x
    x = 16,734,009,600/84,166
  6. Step 6: Final answer
    x = 198,821.49

Related Problems

Find third proportional to 42,083 and 64,680
Half scale
Find third proportional to 168,332 and 258,720
Double scale
Find third proportional to 84,168 and 129,363
Similar ratio
Find third proportional to 126,249 and 194,040
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.