Home / 286,308-646,848

Finding the Third Proportional to 286,308 and 646,848

Calculator

Solution

The third proportional to 286,308 and 646,848 is: 1,461,406.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,308 : 646,848 = 646,848 : x
  2. Step 2: Convert to fraction form
    286,308/646,848 = 646,848/x
  3. Step 3: Cross multiply
    286,308x = 646,848 × 646,848
  4. Step 4: Simplify right side
    286,308x = 418,412,335,104
  5. Step 5: Solve for x
    x = 418,412,335,104/286,308
  6. Step 6: Final answer
    x = 1,461,406.37

Related Problems

Find third proportional to 143,154 and 323,424
Half scale
Find third proportional to 572,616 and 1,293,696
Double scale
Find third proportional to 286,310 and 646,853
Similar ratio
Find third proportional to 429,462 and 970,272
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.