Home / 290,576-615,775

Finding the Third Proportional to 290,576 and 615,775

Calculator

Solution

The third proportional to 290,576 and 615,775 is: 1,304,921.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,576 : 615,775 = 615,775 : x
  2. Step 2: Convert to fraction form
    290,576/615,775 = 615,775/x
  3. Step 3: Cross multiply
    290,576x = 615,775 × 615,775
  4. Step 4: Simplify right side
    290,576x = 379,178,850,625
  5. Step 5: Solve for x
    x = 379,178,850,625/290,576
  6. Step 6: Final answer
    x = 1,304,921.43

Related Problems

Find third proportional to 145,288 and 307,887.50
Half scale
Find third proportional to 581,152 and 1,231,550
Double scale
Find third proportional to 290,578 and 615,779
Similar ratio
Find third proportional to 435,864 and 923,662.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.