Home / 154,960-218,214

Finding the Third Proportional to 154,960 and 218,214

Calculator

Solution

The third proportional to 154,960 and 218,214 is: 307,288.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,960 : 218,214 = 218,214 : x
  2. Step 2: Convert to fraction form
    154,960/218,214 = 218,214/x
  3. Step 3: Cross multiply
    154,960x = 218,214 × 218,214
  4. Step 4: Simplify right side
    154,960x = 47,617,349,796
  5. Step 5: Solve for x
    x = 47,617,349,796/154,960
  6. Step 6: Final answer
    x = 307,288.01

Related Problems

Find third proportional to 77,480 and 109,107
Half scale
Find third proportional to 309,920 and 436,428
Double scale
Find third proportional to 154,962 and 218,217
Similar ratio
Find third proportional to 232,440 and 327,321
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.