Home / 64,386-140,868

Finding the Third Proportional to 64,386 and 140,868

Calculator

Solution

The third proportional to 64,386 and 140,868 is: 308,200.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,386 : 140,868 = 140,868 : x
  2. Step 2: Convert to fraction form
    64,386/140,868 = 140,868/x
  3. Step 3: Cross multiply
    64,386x = 140,868 × 140,868
  4. Step 4: Simplify right side
    64,386x = 19,843,793,424
  5. Step 5: Solve for x
    x = 19,843,793,424/64,386
  6. Step 6: Final answer
    x = 308,200.44

Related Problems

Find third proportional to 32,193 and 70,434
Half scale
Find third proportional to 128,772 and 281,736
Double scale
Find third proportional to 64,388 and 140,872
Similar ratio
Find third proportional to 96,579 and 211,302
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.