Home / 262,440-629,856

Finding the Third Proportional to 262,440 and 629,856

Calculator

Solution

The third proportional to 262,440 and 629,856 is: 1,511,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,440 : 629,856 = 629,856 : x
  2. Step 2: Convert to fraction form
    262,440/629,856 = 629,856/x
  3. Step 3: Cross multiply
    262,440x = 629,856 × 629,856
  4. Step 4: Simplify right side
    262,440x = 396,718,580,736
  5. Step 5: Solve for x
    x = 396,718,580,736/262,440
  6. Step 6: Final answer
    x = 1,511,654.40

Related Problems

Find third proportional to 131,220 and 314,928
Half scale
Find third proportional to 524,880 and 1,259,712
Double scale
Find third proportional to 262,442 and 629,861
Similar ratio
Find third proportional to 393,660 and 944,784
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.