Home / 426,258-636,468

Finding the Third Proportional to 426,258 and 636,468

Calculator

Solution

The third proportional to 426,258 and 636,468 is: 950,343.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,258 : 636,468 = 636,468 : x
  2. Step 2: Convert to fraction form
    426,258/636,468 = 636,468/x
  3. Step 3: Cross multiply
    426,258x = 636,468 × 636,468
  4. Step 4: Simplify right side
    426,258x = 405,091,515,024
  5. Step 5: Solve for x
    x = 405,091,515,024/426,258
  6. Step 6: Final answer
    x = 950,343.49

Related Problems

Find third proportional to 213,129 and 318,234
Half scale
Find third proportional to 852,516 and 1,272,936
Double scale
Find third proportional to 426,260 and 636,471
Similar ratio
Find third proportional to 639,387 and 954,702
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.