Home / 30,681-45,049

Finding the Third Proportional to 30,681 and 45,049

Calculator

Solution

The third proportional to 30,681 and 45,049 is: 66,145.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,681 : 45,049 = 45,049 : x
  2. Step 2: Convert to fraction form
    30,681/45,049 = 45,049/x
  3. Step 3: Cross multiply
    30,681x = 45,049 × 45,049
  4. Step 4: Simplify right side
    30,681x = 2,029,412,401
  5. Step 5: Solve for x
    x = 2,029,412,401/30,681
  6. Step 6: Final answer
    x = 66,145.58

Related Problems

Find third proportional to 15,340.50 and 22,524.50
Half scale
Find third proportional to 61,362 and 90,098
Double scale
Find third proportional to 30,683 and 45,052
Similar ratio
Find third proportional to 46,021.50 and 67,573.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.