Home / 286,852-630,320

Finding the Third Proportional to 286,852 and 630,320

Calculator

Solution

The third proportional to 286,852 and 630,320 is: 1,385,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,852 : 630,320 = 630,320 : x
  2. Step 2: Convert to fraction form
    286,852/630,320 = 630,320/x
  3. Step 3: Cross multiply
    286,852x = 630,320 × 630,320
  4. Step 4: Simplify right side
    286,852x = 397,303,302,400
  5. Step 5: Solve for x
    x = 397,303,302,400/286,852
  6. Step 6: Final answer
    x = 1,385,046.30

Related Problems

Find third proportional to 143,426 and 315,160
Half scale
Find third proportional to 573,704 and 1,260,640
Double scale
Find third proportional to 286,854 and 630,324
Similar ratio
Find third proportional to 430,278 and 945,480
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.