Home / 47,403-100,638

Finding the Third Proportional to 47,403 and 100,638

Calculator

Solution

The third proportional to 47,403 and 100,638 is: 213,657.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,403 : 100,638 = 100,638 : x
  2. Step 2: Convert to fraction form
    47,403/100,638 = 100,638/x
  3. Step 3: Cross multiply
    47,403x = 100,638 × 100,638
  4. Step 4: Simplify right side
    47,403x = 10,128,007,044
  5. Step 5: Solve for x
    x = 10,128,007,044/47,403
  6. Step 6: Final answer
    x = 213,657.51

Related Problems

Find third proportional to 23,701.50 and 50,319
Half scale
Find third proportional to 94,806 and 201,276
Double scale
Find third proportional to 47,405 and 100,642
Similar ratio
Find third proportional to 71,104.50 and 150,957
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.