Home / 258,766-392,814

Finding the Third Proportional to 258,766 and 392,814

Calculator

Solution

The third proportional to 258,766 and 392,814 is: 596,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,766 : 392,814 = 392,814 : x
  2. Step 2: Convert to fraction form
    258,766/392,814 = 392,814/x
  3. Step 3: Cross multiply
    258,766x = 392,814 × 392,814
  4. Step 4: Simplify right side
    258,766x = 154,302,838,596
  5. Step 5: Solve for x
    x = 154,302,838,596/258,766
  6. Step 6: Final answer
    x = 596,302.60

Related Problems

Find third proportional to 129,383 and 196,407
Half scale
Find third proportional to 517,532 and 785,628
Double scale
Find third proportional to 258,768 and 392,817
Similar ratio
Find third proportional to 388,149 and 589,221
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.