Home / 417,504-909,504

Finding the Third Proportional to 417,504 and 909,504

Calculator

Solution

The third proportional to 417,504 and 909,504 is: 1,981,292.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,504 : 909,504 = 909,504 : x
  2. Step 2: Convert to fraction form
    417,504/909,504 = 909,504/x
  3. Step 3: Cross multiply
    417,504x = 909,504 × 909,504
  4. Step 4: Simplify right side
    417,504x = 827,197,526,016
  5. Step 5: Solve for x
    x = 827,197,526,016/417,504
  6. Step 6: Final answer
    x = 1,981,292.46

Related Problems

Find third proportional to 208,752 and 454,752
Half scale
Find third proportional to 835,008 and 1,819,008
Double scale
Find third proportional to 417,506 and 909,508
Similar ratio
Find third proportional to 626,256 and 1,364,256
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.