Home / 286,369-646,999

Finding the Third Proportional to 286,369 and 646,999

Calculator

Solution

The third proportional to 286,369 and 646,999 is: 1,461,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,369 : 646,999 = 646,999 : x
  2. Step 2: Convert to fraction form
    286,369/646,999 = 646,999/x
  3. Step 3: Cross multiply
    286,369x = 646,999 × 646,999
  4. Step 4: Simplify right side
    286,369x = 418,607,706,001
  5. Step 5: Solve for x
    x = 418,607,706,001/286,369
  6. Step 6: Final answer
    x = 1,461,777.31

Related Problems

Find third proportional to 143,184.50 and 323,499.50
Half scale
Find third proportional to 572,738 and 1,293,998
Double scale
Find third proportional to 286,371 and 647,004
Similar ratio
Find third proportional to 429,553.50 and 970,498.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.