Home / 204,746-315,866

Finding the Third Proportional to 204,746 and 315,866

Calculator

Solution

The third proportional to 204,746 and 315,866 is: 487,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,746 : 315,866 = 315,866 : x
  2. Step 2: Convert to fraction form
    204,746/315,866 = 315,866/x
  3. Step 3: Cross multiply
    204,746x = 315,866 × 315,866
  4. Step 4: Simplify right side
    204,746x = 99,771,329,956
  5. Step 5: Solve for x
    x = 99,771,329,956/204,746
  6. Step 6: Final answer
    x = 487,293.18

Related Problems

Find third proportional to 102,373 and 157,933
Half scale
Find third proportional to 409,492 and 631,732
Double scale
Find third proportional to 204,748 and 315,869
Similar ratio
Find third proportional to 307,119 and 473,799
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.