Home / 21,730-47,684

Finding the Third Proportional to 21,730 and 47,684

Calculator

Solution

The third proportional to 21,730 and 47,684 is: 104,637.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730 : 47,684 = 47,684 : x
  2. Step 2: Convert to fraction form
    21,730/47,684 = 47,684/x
  3. Step 3: Cross multiply
    21,730x = 47,684 × 47,684
  4. Step 4: Simplify right side
    21,730x = 2,273,763,856
  5. Step 5: Solve for x
    x = 2,273,763,856/21,730
  6. Step 6: Final answer
    x = 104,637.08

Related Problems

Find third proportional to 10,865 and 23,842
Half scale
Find third proportional to 43,460 and 95,368
Double scale
Find third proportional to 21,732 and 47,688
Similar ratio
Find third proportional to 32,595 and 71,526
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.