Home / 45,270-68,880

Finding the Third Proportional to 45,270 and 68,880

Calculator

Solution

The third proportional to 45,270 and 68,880 is: 104,803.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,270 : 68,880 = 68,880 : x
  2. Step 2: Convert to fraction form
    45,270/68,880 = 68,880/x
  3. Step 3: Cross multiply
    45,270x = 68,880 × 68,880
  4. Step 4: Simplify right side
    45,270x = 4,744,454,400
  5. Step 5: Solve for x
    x = 4,744,454,400/45,270
  6. Step 6: Final answer
    x = 104,803.50

Related Problems

Find third proportional to 22,635 and 34,440
Half scale
Find third proportional to 90,540 and 137,760
Double scale
Find third proportional to 45,272 and 68,883
Similar ratio
Find third proportional to 67,905 and 103,320
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.