Home / 328,680-469,692

Finding the Third Proportional to 328,680 and 469,692

Calculator

Solution

The third proportional to 328,680 and 469,692 is: 671,201.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,680 : 469,692 = 469,692 : x
  2. Step 2: Convert to fraction form
    328,680/469,692 = 469,692/x
  3. Step 3: Cross multiply
    328,680x = 469,692 × 469,692
  4. Step 4: Simplify right side
    328,680x = 220,610,574,864
  5. Step 5: Solve for x
    x = 220,610,574,864/328,680
  6. Step 6: Final answer
    x = 671,201.70

Related Problems

Find third proportional to 164,340 and 234,846
Half scale
Find third proportional to 657,360 and 939,384
Double scale
Find third proportional to 328,682 and 469,695
Similar ratio
Find third proportional to 493,020 and 704,538
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.