Home / 643,282-857,593

Finding the Third Proportional to 643,282 and 857,593

Calculator

Solution

The third proportional to 643,282 and 857,593 is: 1,143,302.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,282 : 857,593 = 857,593 : x
  2. Step 2: Convert to fraction form
    643,282/857,593 = 857,593/x
  3. Step 3: Cross multiply
    643,282x = 857,593 × 857,593
  4. Step 4: Simplify right side
    643,282x = 735,465,753,649
  5. Step 5: Solve for x
    x = 735,465,753,649/643,282
  6. Step 6: Final answer
    x = 1,143,302.24

Related Problems

Find third proportional to 321,641 and 428,796.50
Half scale
Find third proportional to 1,286,564 and 1,715,186
Double scale
Find third proportional to 643,284 and 857,596
Similar ratio
Find third proportional to 964,923 and 1,286,389.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.