Home / 295,886-647,128

Finding the Third Proportional to 295,886 and 647,128

Calculator

Solution

The third proportional to 295,886 and 647,128 is: 1,415,324.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,886 : 647,128 = 647,128 : x
  2. Step 2: Convert to fraction form
    295,886/647,128 = 647,128/x
  3. Step 3: Cross multiply
    295,886x = 647,128 × 647,128
  4. Step 4: Simplify right side
    295,886x = 418,774,648,384
  5. Step 5: Solve for x
    x = 418,774,648,384/295,886
  6. Step 6: Final answer
    x = 1,415,324.31

Related Problems

Find third proportional to 147,943 and 323,564
Half scale
Find third proportional to 591,772 and 1,294,256
Double scale
Find third proportional to 295,888 and 647,132
Similar ratio
Find third proportional to 443,829 and 970,692
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.