Home / 438,578-956,356

Finding the Third Proportional to 438,578 and 956,356

Calculator

Solution

The third proportional to 438,578 and 956,356 is: 2,085,414.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,578 : 956,356 = 956,356 : x
  2. Step 2: Convert to fraction form
    438,578/956,356 = 956,356/x
  3. Step 3: Cross multiply
    438,578x = 956,356 × 956,356
  4. Step 4: Simplify right side
    438,578x = 914,616,798,736
  5. Step 5: Solve for x
    x = 914,616,798,736/438,578
  6. Step 6: Final answer
    x = 2,085,414.22

Related Problems

Find third proportional to 219,289 and 478,178
Half scale
Find third proportional to 877,156 and 1,912,712
Double scale
Find third proportional to 438,580 and 956,360
Similar ratio
Find third proportional to 657,867 and 1,434,534
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.