Home / 288,812-446,340

Finding the Third Proportional to 288,812 and 446,340

Calculator

Solution

The third proportional to 288,812 and 446,340 is: 689,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,812 : 446,340 = 446,340 : x
  2. Step 2: Convert to fraction form
    288,812/446,340 = 446,340/x
  3. Step 3: Cross multiply
    288,812x = 446,340 × 446,340
  4. Step 4: Simplify right side
    288,812x = 199,219,395,600
  5. Step 5: Solve for x
    x = 199,219,395,600/288,812
  6. Step 6: Final answer
    x = 689,789.19

Related Problems

Find third proportional to 144,406 and 223,170
Half scale
Find third proportional to 577,624 and 892,680
Double scale
Find third proportional to 288,814 and 446,343
Similar ratio
Find third proportional to 433,218 and 669,510
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.