Home / 35,280-75,480

Finding the Third Proportional to 35,280 and 75,480

Calculator

Solution

The third proportional to 35,280 and 75,480 is: 161,486.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,280 : 75,480 = 75,480 : x
  2. Step 2: Convert to fraction form
    35,280/75,480 = 75,480/x
  3. Step 3: Cross multiply
    35,280x = 75,480 × 75,480
  4. Step 4: Simplify right side
    35,280x = 5,697,230,400
  5. Step 5: Solve for x
    x = 5,697,230,400/35,280
  6. Step 6: Final answer
    x = 161,486.12

Related Problems

Find third proportional to 17,640 and 37,740
Half scale
Find third proportional to 70,560 and 150,960
Double scale
Find third proportional to 35,282 and 75,484
Similar ratio
Find third proportional to 52,920 and 113,220
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.