Home / 378,540-586,035

Finding the Third Proportional to 378,540 and 586,035

Calculator

Solution

The third proportional to 378,540 and 586,035 is: 907,267.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,540 : 586,035 = 586,035 : x
  2. Step 2: Convert to fraction form
    378,540/586,035 = 586,035/x
  3. Step 3: Cross multiply
    378,540x = 586,035 × 586,035
  4. Step 4: Simplify right side
    378,540x = 343,437,021,225
  5. Step 5: Solve for x
    x = 343,437,021,225/378,540
  6. Step 6: Final answer
    x = 907,267.45

Related Problems

Find third proportional to 189,270 and 293,017.50
Half scale
Find third proportional to 757,080 and 1,172,070
Double scale
Find third proportional to 378,542 and 586,038
Similar ratio
Find third proportional to 567,810 and 879,052.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.