Home / 66,360-102,900

Finding the Third Proportional to 66,360 and 102,900

Calculator

Solution

The third proportional to 66,360 and 102,900 is: 159,560.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,360 : 102,900 = 102,900 : x
  2. Step 2: Convert to fraction form
    66,360/102,900 = 102,900/x
  3. Step 3: Cross multiply
    66,360x = 102,900 × 102,900
  4. Step 4: Simplify right side
    66,360x = 10,588,410,000
  5. Step 5: Solve for x
    x = 10,588,410,000/66,360
  6. Step 6: Final answer
    x = 159,560.13

Related Problems

Find third proportional to 33,180 and 51,450
Half scale
Find third proportional to 132,720 and 205,800
Double scale
Find third proportional to 66,362 and 102,903
Similar ratio
Find third proportional to 99,540 and 154,350
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.