Home / 35,920-78,368

Finding the Third Proportional to 35,920 and 78,368

Calculator

Solution

The third proportional to 35,920 and 78,368 is: 170,978.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,920 : 78,368 = 78,368 : x
  2. Step 2: Convert to fraction form
    35,920/78,368 = 78,368/x
  3. Step 3: Cross multiply
    35,920x = 78,368 × 78,368
  4. Step 4: Simplify right side
    35,920x = 6,141,543,424
  5. Step 5: Solve for x
    x = 6,141,543,424/35,920
  6. Step 6: Final answer
    x = 170,978.38

Related Problems

Find third proportional to 17,960 and 39,184
Half scale
Find third proportional to 71,840 and 156,736
Double scale
Find third proportional to 35,922 and 78,372
Similar ratio
Find third proportional to 53,880 and 117,552
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.