Home / 385,178-847,216

Finding the Third Proportional to 385,178 and 847,216

Calculator

Solution

The third proportional to 385,178 and 847,216 is: 1,863,488.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,178 : 847,216 = 847,216 : x
  2. Step 2: Convert to fraction form
    385,178/847,216 = 847,216/x
  3. Step 3: Cross multiply
    385,178x = 847,216 × 847,216
  4. Step 4: Simplify right side
    385,178x = 717,774,950,656
  5. Step 5: Solve for x
    x = 717,774,950,656/385,178
  6. Step 6: Final answer
    x = 1,863,488.96

Related Problems

Find third proportional to 192,589 and 423,608
Half scale
Find third proportional to 770,356 and 1,694,432
Double scale
Find third proportional to 385,180 and 847,220
Similar ratio
Find third proportional to 577,767 and 1,270,824
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.