Home / 98,642-215,739

Finding the Third Proportional to 98,642 and 215,739

Calculator

Solution

The third proportional to 98,642 and 215,739 is: 471,840.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,642 : 215,739 = 215,739 : x
  2. Step 2: Convert to fraction form
    98,642/215,739 = 215,739/x
  3. Step 3: Cross multiply
    98,642x = 215,739 × 215,739
  4. Step 4: Simplify right side
    98,642x = 46,543,316,121
  5. Step 5: Solve for x
    x = 46,543,316,121/98,642
  6. Step 6: Final answer
    x = 471,840.76

Related Problems

Find third proportional to 49,321 and 107,869.50
Half scale
Find third proportional to 197,284 and 431,478
Double scale
Find third proportional to 98,644 and 215,743
Similar ratio
Find third proportional to 147,963 and 323,608.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.