Home / 19,100-39,424

Finding the Third Proportional to 19,100 and 39,424

Calculator

Solution

The third proportional to 19,100 and 39,424 is: 81,374.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100 : 39,424 = 39,424 : x
  2. Step 2: Convert to fraction form
    19,100/39,424 = 39,424/x
  3. Step 3: Cross multiply
    19,100x = 39,424 × 39,424
  4. Step 4: Simplify right side
    19,100x = 1,554,251,776
  5. Step 5: Solve for x
    x = 1,554,251,776/19,100
  6. Step 6: Final answer
    x = 81,374.44

Related Problems

Find third proportional to 9,550 and 19,712
Half scale
Find third proportional to 38,200 and 78,848
Double scale
Find third proportional to 19,102 and 39,428
Similar ratio
Find third proportional to 28,650 and 59,136
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.