Home / 70,370-147,544

Finding the Third Proportional to 70,370 and 147,544

Calculator

Solution

The third proportional to 70,370 and 147,544 is: 309,353.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,370 : 147,544 = 147,544 : x
  2. Step 2: Convert to fraction form
    70,370/147,544 = 147,544/x
  3. Step 3: Cross multiply
    70,370x = 147,544 × 147,544
  4. Step 4: Simplify right side
    70,370x = 21,769,231,936
  5. Step 5: Solve for x
    x = 21,769,231,936/70,370
  6. Step 6: Final answer
    x = 309,353.87

Related Problems

Find third proportional to 35,185 and 73,772
Half scale
Find third proportional to 140,740 and 295,088
Double scale
Find third proportional to 70,372 and 147,548
Similar ratio
Find third proportional to 105,555 and 221,316
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.