Home / 15,314-31,612

Finding the Third Proportional to 15,314 and 31,612

Calculator

Solution

The third proportional to 15,314 and 31,612 is: 65,255.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,314 : 31,612 = 31,612 : x
  2. Step 2: Convert to fraction form
    15,314/31,612 = 31,612/x
  3. Step 3: Cross multiply
    15,314x = 31,612 × 31,612
  4. Step 4: Simplify right side
    15,314x = 999,318,544
  5. Step 5: Solve for x
    x = 999,318,544/15,314
  6. Step 6: Final answer
    x = 65,255.23

Related Problems

Find third proportional to 7,657 and 15,806
Half scale
Find third proportional to 30,628 and 63,224
Double scale
Find third proportional to 15,316 and 31,616
Similar ratio
Find third proportional to 22,971 and 47,418
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.