Home / 426,652-921,712

Finding the Third Proportional to 426,652 and 921,712

Calculator

Solution

The third proportional to 426,652 and 921,712 is: 1,991,208.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,652 : 921,712 = 921,712 : x
  2. Step 2: Convert to fraction form
    426,652/921,712 = 921,712/x
  3. Step 3: Cross multiply
    426,652x = 921,712 × 921,712
  4. Step 4: Simplify right side
    426,652x = 849,553,010,944
  5. Step 5: Solve for x
    x = 849,553,010,944/426,652
  6. Step 6: Final answer
    x = 1,991,208.32

Related Problems

Find third proportional to 213,326 and 460,856
Half scale
Find third proportional to 853,304 and 1,843,424
Double scale
Find third proportional to 426,654 and 921,716
Similar ratio
Find third proportional to 639,978 and 1,382,568
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.