Home / 30,120-70,362

Finding the Third Proportional to 30,120 and 70,362

Calculator

Solution

The third proportional to 30,120 and 70,362 is: 164,369.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,120 : 70,362 = 70,362 : x
  2. Step 2: Convert to fraction form
    30,120/70,362 = 70,362/x
  3. Step 3: Cross multiply
    30,120x = 70,362 × 70,362
  4. Step 4: Simplify right side
    30,120x = 4,950,811,044
  5. Step 5: Solve for x
    x = 4,950,811,044/30,120
  6. Step 6: Final answer
    x = 164,369.56

Related Problems

Find third proportional to 15,060 and 35,181
Half scale
Find third proportional to 60,240 and 140,724
Double scale
Find third proportional to 30,122 and 70,367
Similar ratio
Find third proportional to 45,180 and 105,543
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.