Home / 19,206-39,708

Finding the Third Proportional to 19,206 and 39,708

Calculator

Solution

The third proportional to 19,206 and 39,708 is: 82,095.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,206 : 39,708 = 39,708 : x
  2. Step 2: Convert to fraction form
    19,206/39,708 = 39,708/x
  3. Step 3: Cross multiply
    19,206x = 39,708 × 39,708
  4. Step 4: Simplify right side
    19,206x = 1,576,725,264
  5. Step 5: Solve for x
    x = 1,576,725,264/19,206
  6. Step 6: Final answer
    x = 82,095.45

Related Problems

Find third proportional to 9,603 and 19,854
Half scale
Find third proportional to 38,412 and 79,416
Double scale
Find third proportional to 19,208 and 39,712
Similar ratio
Find third proportional to 28,809 and 59,562
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.