Home / 21,428-47,444

Finding the Third Proportional to 21,428 and 47,444

Calculator

Solution

The third proportional to 21,428 and 47,444 is: 105,046.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,428 : 47,444 = 47,444 : x
  2. Step 2: Convert to fraction form
    21,428/47,444 = 47,444/x
  3. Step 3: Cross multiply
    21,428x = 47,444 × 47,444
  4. Step 4: Simplify right side
    21,428x = 2,250,933,136
  5. Step 5: Solve for x
    x = 2,250,933,136/21,428
  6. Step 6: Final answer
    x = 105,046.35

Related Problems

Find third proportional to 10,714 and 23,722
Half scale
Find third proportional to 42,856 and 94,888
Double scale
Find third proportional to 21,430 and 47,448
Similar ratio
Find third proportional to 32,142 and 71,166
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.