Home / 288,808-446,324

Finding the Third Proportional to 288,808 and 446,324

Calculator

Solution

The third proportional to 288,808 and 446,324 is: 689,749.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,808 : 446,324 = 446,324 : x
  2. Step 2: Convert to fraction form
    288,808/446,324 = 446,324/x
  3. Step 3: Cross multiply
    288,808x = 446,324 × 446,324
  4. Step 4: Simplify right side
    288,808x = 199,205,112,976
  5. Step 5: Solve for x
    x = 199,205,112,976/288,808
  6. Step 6: Final answer
    x = 689,749.29

Related Problems

Find third proportional to 144,404 and 223,162
Half scale
Find third proportional to 577,616 and 892,648
Double scale
Find third proportional to 288,810 and 446,327
Similar ratio
Find third proportional to 433,212 and 669,486
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.