Home / 261,911-565,557

Finding the Third Proportional to 261,911 and 565,557

Calculator

Solution

The third proportional to 261,911 and 565,557 is: 1,221,234.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,911 : 565,557 = 565,557 : x
  2. Step 2: Convert to fraction form
    261,911/565,557 = 565,557/x
  3. Step 3: Cross multiply
    261,911x = 565,557 × 565,557
  4. Step 4: Simplify right side
    261,911x = 319,854,720,249
  5. Step 5: Solve for x
    x = 319,854,720,249/261,911
  6. Step 6: Final answer
    x = 1,221,234.39

Related Problems

Find third proportional to 130,955.50 and 282,778.50
Half scale
Find third proportional to 523,822 and 1,131,114
Double scale
Find third proportional to 261,913 and 565,561
Similar ratio
Find third proportional to 392,866.50 and 848,335.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.