Home / 288,864-446,408

Finding the Third Proportional to 288,864 and 446,408

Calculator

Solution

The third proportional to 288,864 and 446,408 is: 689,875.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,864 : 446,408 = 446,408 : x
  2. Step 2: Convert to fraction form
    288,864/446,408 = 446,408/x
  3. Step 3: Cross multiply
    288,864x = 446,408 × 446,408
  4. Step 4: Simplify right side
    288,864x = 199,280,102,464
  5. Step 5: Solve for x
    x = 199,280,102,464/288,864
  6. Step 6: Final answer
    x = 689,875.17

Related Problems

Find third proportional to 144,432 and 223,204
Half scale
Find third proportional to 577,728 and 892,816
Double scale
Find third proportional to 288,866 and 446,411
Similar ratio
Find third proportional to 433,296 and 669,612
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.