Home / 31,695-68,574

Finding the Third Proportional to 31,695 and 68,574

Calculator

Solution

The third proportional to 31,695 and 68,574 is: 148,363.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,695 : 68,574 = 68,574 : x
  2. Step 2: Convert to fraction form
    31,695/68,574 = 68,574/x
  3. Step 3: Cross multiply
    31,695x = 68,574 × 68,574
  4. Step 4: Simplify right side
    31,695x = 4,702,393,476
  5. Step 5: Solve for x
    x = 4,702,393,476/31,695
  6. Step 6: Final answer
    x = 148,363.89

Related Problems

Find third proportional to 15,847.50 and 34,287
Half scale
Find third proportional to 63,390 and 137,148
Double scale
Find third proportional to 31,697 and 68,578
Similar ratio
Find third proportional to 47,542.50 and 102,861
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.