Home / 19,690-36,506

Finding the Third Proportional to 19,690 and 36,506

Calculator

Solution

The third proportional to 19,690 and 36,506 is: 67,683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690 : 36,506 = 36,506 : x
  2. Step 2: Convert to fraction form
    19,690/36,506 = 36,506/x
  3. Step 3: Cross multiply
    19,690x = 36,506 × 36,506
  4. Step 4: Simplify right side
    19,690x = 1,332,688,036
  5. Step 5: Solve for x
    x = 1,332,688,036/19,690
  6. Step 6: Final answer
    x = 67,683.50

Related Problems

Find third proportional to 9,845 and 18,253
Half scale
Find third proportional to 39,380 and 73,012
Double scale
Find third proportional to 19,692 and 36,510
Similar ratio
Find third proportional to 29,535 and 54,759
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.