Home / 286,415-630,012

Finding the Third Proportional to 286,415 and 630,012

Calculator

Solution

The third proportional to 286,415 and 630,012 is: 1,385,804.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,415 : 630,012 = 630,012 : x
  2. Step 2: Convert to fraction form
    286,415/630,012 = 630,012/x
  3. Step 3: Cross multiply
    286,415x = 630,012 × 630,012
  4. Step 4: Simplify right side
    286,415x = 396,915,120,144
  5. Step 5: Solve for x
    x = 396,915,120,144/286,415
  6. Step 6: Final answer
    x = 1,385,804.24

Related Problems

Find third proportional to 143,207.50 and 315,006
Half scale
Find third proportional to 572,830 and 1,260,024
Double scale
Find third proportional to 286,417 and 630,016
Similar ratio
Find third proportional to 429,622.50 and 945,018
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.