Home / 27,516-42,715

Finding the Third Proportional to 27,516 and 42,715

Calculator

Solution

The third proportional to 27,516 and 42,715 is: 66,309.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,516 : 42,715 = 42,715 : x
  2. Step 2: Convert to fraction form
    27,516/42,715 = 42,715/x
  3. Step 3: Cross multiply
    27,516x = 42,715 × 42,715
  4. Step 4: Simplify right side
    27,516x = 1,824,571,225
  5. Step 5: Solve for x
    x = 1,824,571,225/27,516
  6. Step 6: Final answer
    x = 66,309.46

Related Problems

Find third proportional to 13,758 and 21,357.50
Half scale
Find third proportional to 55,032 and 85,430
Double scale
Find third proportional to 27,518 and 42,718
Similar ratio
Find third proportional to 41,274 and 64,072.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.