Home / 407,618-587,126

Finding the Third Proportional to 407,618 and 587,126

Calculator

Solution

The third proportional to 407,618 and 587,126 is: 845,686.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,618 : 587,126 = 587,126 : x
  2. Step 2: Convert to fraction form
    407,618/587,126 = 587,126/x
  3. Step 3: Cross multiply
    407,618x = 587,126 × 587,126
  4. Step 4: Simplify right side
    407,618x = 344,716,939,876
  5. Step 5: Solve for x
    x = 344,716,939,876/407,618
  6. Step 6: Final answer
    x = 845,686.25

Related Problems

Find third proportional to 203,809 and 293,563
Half scale
Find third proportional to 815,236 and 1,174,252
Double scale
Find third proportional to 407,620 and 587,129
Similar ratio
Find third proportional to 611,427 and 880,689
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.