Home / 21,808-47,304

Finding the Third Proportional to 21,808 and 47,304

Calculator

Solution

The third proportional to 21,808 and 47,304 is: 102,607.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,808 : 47,304 = 47,304 : x
  2. Step 2: Convert to fraction form
    21,808/47,304 = 47,304/x
  3. Step 3: Cross multiply
    21,808x = 47,304 × 47,304
  4. Step 4: Simplify right side
    21,808x = 2,237,668,416
  5. Step 5: Solve for x
    x = 2,237,668,416/21,808
  6. Step 6: Final answer
    x = 102,607.69

Related Problems

Find third proportional to 10,904 and 23,652
Half scale
Find third proportional to 43,616 and 94,608
Double scale
Find third proportional to 21,810 and 47,308
Similar ratio
Find third proportional to 32,712 and 70,956
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.