Home / 30,090-45,071

Finding the Third Proportional to 30,090 and 45,071

Calculator

Solution

The third proportional to 30,090 and 45,071 is: 67,510.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,090 : 45,071 = 45,071 : x
  2. Step 2: Convert to fraction form
    30,090/45,071 = 45,071/x
  3. Step 3: Cross multiply
    30,090x = 45,071 × 45,071
  4. Step 4: Simplify right side
    30,090x = 2,031,395,041
  5. Step 5: Solve for x
    x = 2,031,395,041/30,090
  6. Step 6: Final answer
    x = 67,510.64

Related Problems

Find third proportional to 15,045 and 22,535.50
Half scale
Find third proportional to 60,180 and 90,142
Double scale
Find third proportional to 30,092 and 45,074
Similar ratio
Find third proportional to 45,135 and 67,606.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.