Home / 70,470-153,819

Finding the Third Proportional to 70,470 and 153,819

Calculator

Solution

The third proportional to 70,470 and 153,819 is: 335,749.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,470 : 153,819 = 153,819 : x
  2. Step 2: Convert to fraction form
    70,470/153,819 = 153,819/x
  3. Step 3: Cross multiply
    70,470x = 153,819 × 153,819
  4. Step 4: Simplify right side
    70,470x = 23,660,284,761
  5. Step 5: Solve for x
    x = 23,660,284,761/70,470
  6. Step 6: Final answer
    x = 335,749.75

Related Problems

Find third proportional to 35,235 and 76,909.50
Half scale
Find third proportional to 140,940 and 307,638
Double scale
Find third proportional to 70,472 and 153,823
Similar ratio
Find third proportional to 105,705 and 230,728.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.