Home / 138,102-299,244

Finding the Third Proportional to 138,102 and 299,244

Calculator

Solution

The third proportional to 138,102 and 299,244 is: 648,411.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,102 : 299,244 = 299,244 : x
  2. Step 2: Convert to fraction form
    138,102/299,244 = 299,244/x
  3. Step 3: Cross multiply
    138,102x = 299,244 × 299,244
  4. Step 4: Simplify right side
    138,102x = 89,546,971,536
  5. Step 5: Solve for x
    x = 89,546,971,536/138,102
  6. Step 6: Final answer
    x = 648,411.84

Related Problems

Find third proportional to 69,051 and 149,622
Half scale
Find third proportional to 276,204 and 598,488
Double scale
Find third proportional to 138,104 and 299,248
Similar ratio
Find third proportional to 207,153 and 448,866
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.