Home / 72,137-154,246

Finding the Third Proportional to 72,137 and 154,246

Calculator

Solution

The third proportional to 72,137 and 154,246 is: 329,814.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,137 : 154,246 = 154,246 : x
  2. Step 2: Convert to fraction form
    72,137/154,246 = 154,246/x
  3. Step 3: Cross multiply
    72,137x = 154,246 × 154,246
  4. Step 4: Simplify right side
    72,137x = 23,791,828,516
  5. Step 5: Solve for x
    x = 23,791,828,516/72,137
  6. Step 6: Final answer
    x = 329,814.50

Related Problems

Find third proportional to 36,068.50 and 77,123
Half scale
Find third proportional to 144,274 and 308,492
Double scale
Find third proportional to 72,139 and 154,250
Similar ratio
Find third proportional to 108,205.50 and 231,369
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.