Home / 70,368-149,886

Finding the Third Proportional to 70,368 and 149,886

Calculator

Solution

The third proportional to 70,368 and 149,886 is: 319,261.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,368 : 149,886 = 149,886 : x
  2. Step 2: Convert to fraction form
    70,368/149,886 = 149,886/x
  3. Step 3: Cross multiply
    70,368x = 149,886 × 149,886
  4. Step 4: Simplify right side
    70,368x = 22,465,812,996
  5. Step 5: Solve for x
    x = 22,465,812,996/70,368
  6. Step 6: Final answer
    x = 319,261.78

Related Problems

Find third proportional to 35,184 and 74,943
Half scale
Find third proportional to 140,736 and 299,772
Double scale
Find third proportional to 70,370 and 149,890
Similar ratio
Find third proportional to 105,552 and 224,829
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.