Home / 12,750-19,792

Finding the Third Proportional to 12,750 and 19,792

Calculator

Solution

The third proportional to 12,750 and 19,792 is: 30,723.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,750 : 19,792 = 19,792 : x
  2. Step 2: Convert to fraction form
    12,750/19,792 = 19,792/x
  3. Step 3: Cross multiply
    12,750x = 19,792 × 19,792
  4. Step 4: Simplify right side
    12,750x = 391,723,264
  5. Step 5: Solve for x
    x = 391,723,264/12,750
  6. Step 6: Final answer
    x = 30,723.39

Related Problems

Find third proportional to 6,375 and 9,896
Half scale
Find third proportional to 25,500 and 39,584
Double scale
Find third proportional to 12,752 and 19,795
Similar ratio
Find third proportional to 19,125 and 29,688
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.