Home / 290,080-615,008

Finding the Third Proportional to 290,080 and 615,008

Calculator

Solution

The third proportional to 290,080 and 615,008 is: 1,303,898.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,080 : 615,008 = 615,008 : x
  2. Step 2: Convert to fraction form
    290,080/615,008 = 615,008/x
  3. Step 3: Cross multiply
    290,080x = 615,008 × 615,008
  4. Step 4: Simplify right side
    290,080x = 378,234,840,064
  5. Step 5: Solve for x
    x = 378,234,840,064/290,080
  6. Step 6: Final answer
    x = 1,303,898.37

Related Problems

Find third proportional to 145,040 and 307,504
Half scale
Find third proportional to 580,160 and 1,230,016
Double scale
Find third proportional to 290,082 and 615,012
Similar ratio
Find third proportional to 435,120 and 922,512
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.