Home / 30,706-66,595

Finding the Third Proportional to 30,706 and 66,595

Calculator

Solution

The third proportional to 30,706 and 66,595 is: 144,430.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,706 : 66,595 = 66,595 : x
  2. Step 2: Convert to fraction form
    30,706/66,595 = 66,595/x
  3. Step 3: Cross multiply
    30,706x = 66,595 × 66,595
  4. Step 4: Simplify right side
    30,706x = 4,434,894,025
  5. Step 5: Solve for x
    x = 4,434,894,025/30,706
  6. Step 6: Final answer
    x = 144,430.86

Related Problems

Find third proportional to 15,353 and 33,297.50
Half scale
Find third proportional to 61,412 and 133,190
Double scale
Find third proportional to 30,708 and 66,599
Similar ratio
Find third proportional to 46,059 and 99,892.50
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.