Home / 445,918-976,418

Finding the Third Proportional to 445,918 and 976,418

Calculator

Solution

The third proportional to 445,918 and 976,418 is: 2,138,043.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,918 : 976,418 = 976,418 : x
  2. Step 2: Convert to fraction form
    445,918/976,418 = 976,418/x
  3. Step 3: Cross multiply
    445,918x = 976,418 × 976,418
  4. Step 4: Simplify right side
    445,918x = 953,392,110,724
  5. Step 5: Solve for x
    x = 953,392,110,724/445,918
  6. Step 6: Final answer
    x = 2,138,043.57

Related Problems

Find third proportional to 222,959 and 488,209
Half scale
Find third proportional to 891,836 and 1,952,836
Double scale
Find third proportional to 445,920 and 976,422
Similar ratio
Find third proportional to 668,877 and 1,464,627
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.