Home / 34,480-71,520

Finding the Third Proportional to 34,480 and 71,520

Calculator

Solution

The third proportional to 34,480 and 71,520 is: 148,350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,480 : 71,520 = 71,520 : x
  2. Step 2: Convert to fraction form
    34,480/71,520 = 71,520/x
  3. Step 3: Cross multiply
    34,480x = 71,520 × 71,520
  4. Step 4: Simplify right side
    34,480x = 5,115,110,400
  5. Step 5: Solve for x
    x = 5,115,110,400/34,480
  6. Step 6: Final answer
    x = 148,350.07

Related Problems

Find third proportional to 17,240 and 35,760
Half scale
Find third proportional to 68,960 and 143,040
Double scale
Find third proportional to 34,482 and 71,524
Similar ratio
Find third proportional to 51,720 and 107,280
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.