Home / 287,736-616,944

Finding the Third Proportional to 287,736 and 616,944

Calculator

Solution

The third proportional to 287,736 and 616,944 is: 1,322,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,736 : 616,944 = 616,944 : x
  2. Step 2: Convert to fraction form
    287,736/616,944 = 616,944/x
  3. Step 3: Cross multiply
    287,736x = 616,944 × 616,944
  4. Step 4: Simplify right side
    287,736x = 380,619,899,136
  5. Step 5: Solve for x
    x = 380,619,899,136/287,736
  6. Step 6: Final answer
    x = 1,322,809.45

Related Problems

Find third proportional to 143,868 and 308,472
Half scale
Find third proportional to 575,472 and 1,233,888
Double scale
Find third proportional to 287,738 and 616,948
Similar ratio
Find third proportional to 431,604 and 925,416
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.