Home / 261,064-556,266

Finding the Third Proportional to 261,064 and 556,266

Calculator

Solution

The third proportional to 261,064 and 556,266 is: 1,185,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,064 : 556,266 = 556,266 : x
  2. Step 2: Convert to fraction form
    261,064/556,266 = 556,266/x
  3. Step 3: Cross multiply
    261,064x = 556,266 × 556,266
  4. Step 4: Simplify right side
    261,064x = 309,431,862,756
  5. Step 5: Solve for x
    x = 309,431,862,756/261,064
  6. Step 6: Final answer
    x = 1,185,272.05

Related Problems

Find third proportional to 130,532 and 278,133
Half scale
Find third proportional to 522,128 and 1,112,532
Double scale
Find third proportional to 261,066 and 556,270
Similar ratio
Find third proportional to 391,596 and 834,399
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.