Home / 328,650-469,647

Finding the Third Proportional to 328,650 and 469,647

Calculator

Solution

The third proportional to 328,650 and 469,647 is: 671,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,650 : 469,647 = 469,647 : x
  2. Step 2: Convert to fraction form
    328,650/469,647 = 469,647/x
  3. Step 3: Cross multiply
    328,650x = 469,647 × 469,647
  4. Step 4: Simplify right side
    328,650x = 220,568,304,609
  5. Step 5: Solve for x
    x = 220,568,304,609/328,650
  6. Step 6: Final answer
    x = 671,134.35

Related Problems

Find third proportional to 164,325 and 234,823.50
Half scale
Find third proportional to 657,300 and 939,294
Double scale
Find third proportional to 328,652 and 469,650
Similar ratio
Find third proportional to 492,975 and 704,470.50
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.