Home / 70,838-154,138

Finding the Third Proportional to 70,838 and 154,138

Calculator

Solution

The third proportional to 70,838 and 154,138 is: 335,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,838 : 154,138 = 154,138 : x
  2. Step 2: Convert to fraction form
    70,838/154,138 = 154,138/x
  3. Step 3: Cross multiply
    70,838x = 154,138 × 154,138
  4. Step 4: Simplify right side
    70,838x = 23,758,523,044
  5. Step 5: Solve for x
    x = 23,758,523,044/70,838
  6. Step 6: Final answer
    x = 335,392.35

Related Problems

Find third proportional to 35,419 and 77,069
Half scale
Find third proportional to 141,676 and 308,276
Double scale
Find third proportional to 70,840 and 154,142
Similar ratio
Find third proportional to 106,257 and 231,207
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.