Home / 515,228-1,128,872

Finding the Third Proportional to 515,228 and 1,128,872

Calculator

Solution

The third proportional to 515,228 and 1,128,872 is: 2,473,374.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,228 : 1,128,872 = 1,128,872 : x
  2. Step 2: Convert to fraction form
    515,228/1,128,872 = 1,128,872/x
  3. Step 3: Cross multiply
    515,228x = 1,128,872 × 1,128,872
  4. Step 4: Simplify right side
    515,228x = 1,274,351,992,384
  5. Step 5: Solve for x
    x = 1,274,351,992,384/515,228
  6. Step 6: Final answer
    x = 2,473,374.88

Related Problems

Find third proportional to 257,614 and 564,436
Half scale
Find third proportional to 1,030,456 and 2,257,744
Double scale
Find third proportional to 515,230 and 1,128,876
Similar ratio
Find third proportional to 772,842 and 1,693,308
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.