Home / 19,388-39,304

Finding the Third Proportional to 19,388 and 39,304

Calculator

Solution

The third proportional to 19,388 and 39,304 is: 79,678.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388 : 39,304 = 39,304 : x
  2. Step 2: Convert to fraction form
    19,388/39,304 = 39,304/x
  3. Step 3: Cross multiply
    19,388x = 39,304 × 39,304
  4. Step 4: Simplify right side
    19,388x = 1,544,804,416
  5. Step 5: Solve for x
    x = 1,544,804,416/19,388
  6. Step 6: Final answer
    x = 79,678.38

Related Problems

Find third proportional to 9,694 and 19,652
Half scale
Find third proportional to 38,776 and 78,608
Double scale
Find third proportional to 19,390 and 39,308
Similar ratio
Find third proportional to 29,082 and 58,956
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.