Home / 426,180-918,786

Finding the Third Proportional to 426,180 and 918,786

Calculator

Solution

The third proportional to 426,180 and 918,786 is: 1,980,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,180 : 918,786 = 918,786 : x
  2. Step 2: Convert to fraction form
    426,180/918,786 = 918,786/x
  3. Step 3: Cross multiply
    426,180x = 918,786 × 918,786
  4. Step 4: Simplify right side
    426,180x = 844,167,713,796
  5. Step 5: Solve for x
    x = 844,167,713,796/426,180
  6. Step 6: Final answer
    x = 1,980,777.40

Related Problems

Find third proportional to 213,090 and 459,393
Half scale
Find third proportional to 852,360 and 1,837,572
Double scale
Find third proportional to 426,182 and 918,790
Similar ratio
Find third proportional to 639,270 and 1,378,179
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.