Home / 218,629-477,758

Finding the Third Proportional to 218,629 and 477,758

Calculator

Solution

The third proportional to 218,629 and 477,758 is: 1,044,018.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,629 : 477,758 = 477,758 : x
  2. Step 2: Convert to fraction form
    218,629/477,758 = 477,758/x
  3. Step 3: Cross multiply
    218,629x = 477,758 × 477,758
  4. Step 4: Simplify right side
    218,629x = 228,252,706,564
  5. Step 5: Solve for x
    x = 228,252,706,564/218,629
  6. Step 6: Final answer
    x = 1,044,018.44

Related Problems

Find third proportional to 109,314.50 and 238,879
Half scale
Find third proportional to 437,258 and 955,516
Double scale
Find third proportional to 218,631 and 477,762
Similar ratio
Find third proportional to 327,943.50 and 716,637
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.