Home / 385,085-858,713

Finding the Third Proportional to 385,085 and 858,713

Calculator

Solution

The third proportional to 385,085 and 858,713 is: 1,914,870.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,085 : 858,713 = 858,713 : x
  2. Step 2: Convert to fraction form
    385,085/858,713 = 858,713/x
  3. Step 3: Cross multiply
    385,085x = 858,713 × 858,713
  4. Step 4: Simplify right side
    385,085x = 737,388,016,369
  5. Step 5: Solve for x
    x = 737,388,016,369/385,085
  6. Step 6: Final answer
    x = 1,914,870.79

Related Problems

Find third proportional to 192,542.50 and 429,356.50
Half scale
Find third proportional to 770,170 and 1,717,426
Double scale
Find third proportional to 385,087 and 858,717
Similar ratio
Find third proportional to 577,627.50 and 1,288,069.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.