Home / 161,688-331,392

Finding the Third Proportional to 161,688 and 331,392

Calculator

Solution

The third proportional to 161,688 and 331,392 is: 679,213.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,688 : 331,392 = 331,392 : x
  2. Step 2: Convert to fraction form
    161,688/331,392 = 331,392/x
  3. Step 3: Cross multiply
    161,688x = 331,392 × 331,392
  4. Step 4: Simplify right side
    161,688x = 109,820,657,664
  5. Step 5: Solve for x
    x = 109,820,657,664/161,688
  6. Step 6: Final answer
    x = 679,213.41

Related Problems

Find third proportional to 80,844 and 165,696
Half scale
Find third proportional to 323,376 and 662,784
Double scale
Find third proportional to 161,690 and 331,396
Similar ratio
Find third proportional to 242,532 and 497,088
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.