Home / 261,778-569,906

Finding the Third Proportional to 261,778 and 569,906

Calculator

Solution

The third proportional to 261,778 and 569,906 is: 1,240,718.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,778 : 569,906 = 569,906 : x
  2. Step 2: Convert to fraction form
    261,778/569,906 = 569,906/x
  3. Step 3: Cross multiply
    261,778x = 569,906 × 569,906
  4. Step 4: Simplify right side
    261,778x = 324,792,848,836
  5. Step 5: Solve for x
    x = 324,792,848,836/261,778
  6. Step 6: Final answer
    x = 1,240,718.66

Related Problems

Find third proportional to 130,889 and 284,953
Half scale
Find third proportional to 523,556 and 1,139,812
Double scale
Find third proportional to 261,780 and 569,910
Similar ratio
Find third proportional to 392,667 and 854,859
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.