Home / 76,728-163,392

Finding the Third Proportional to 76,728 and 163,392

Calculator

Solution

The third proportional to 76,728 and 163,392 is: 347,942.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,728 : 163,392 = 163,392 : x
  2. Step 2: Convert to fraction form
    76,728/163,392 = 163,392/x
  3. Step 3: Cross multiply
    76,728x = 163,392 × 163,392
  4. Step 4: Simplify right side
    76,728x = 26,696,945,664
  5. Step 5: Solve for x
    x = 26,696,945,664/76,728
  6. Step 6: Final answer
    x = 347,942.68

Related Problems

Find third proportional to 38,364 and 81,696
Half scale
Find third proportional to 153,456 and 326,784
Double scale
Find third proportional to 76,730 and 163,396
Similar ratio
Find third proportional to 115,092 and 245,088
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.