Home / 64,110-140,289

Finding the Third Proportional to 64,110 and 140,289

Calculator

Solution

The third proportional to 64,110 and 140,289 is: 306,988.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,110 : 140,289 = 140,289 : x
  2. Step 2: Convert to fraction form
    64,110/140,289 = 140,289/x
  3. Step 3: Cross multiply
    64,110x = 140,289 × 140,289
  4. Step 4: Simplify right side
    64,110x = 19,681,003,521
  5. Step 5: Solve for x
    x = 19,681,003,521/64,110
  6. Step 6: Final answer
    x = 306,988.04

Related Problems

Find third proportional to 32,055 and 70,144.50
Half scale
Find third proportional to 128,220 and 280,578
Double scale
Find third proportional to 64,112 and 140,293
Similar ratio
Find third proportional to 96,165 and 210,433.50
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.